Best Long Battery Life Vent Opener

ChickenGuard Premium Automatic Chicken Coop Door Openers, Timer/Light Sensor, Batteries, Lifts Pop Hole Door up to 1kg

Easy to use - Integrated fully featured LCD screen. Open in the morning & close in the evening automatically by setting the timer or using the easily adjusted (LUX) Light Sensor. Chicken Guard automatic door openers save you getting up in the morning and protect your chickens from predators. Simply press the button if you wish to open & close manually..
Simple to setup - All in one design, no complicated wiring or cabling. Attach the ChickenGuard door opener to your chicken coop, connect the cord to your door and you are ready to go. This listing is for the opener only so that you can fit it using your existing door..
Chicken Guard Premium Model has a door lifting capacity of 1kg (2. 2lb). no minimum or maximum door heights. Chicken Guard supplies a highly durable cord which has a breaking strain of 25kg or 50lbs.
Runs on 4 x AA alkaline batteries (included). Long battery life & Low battery warning. Door closed indicator light visible up to 100 yards away.
At Chicken Guard we take great pride in the quality and efficiency of our automatic chicken door opener and we know you will love its convenience! This is why we are backing The Auto chicken coop door opener a 3-year manufacturer warranty and a dedicated Customer Serivice team..

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TOPINCN Greenhouse Winder Opener Cylinder, Greenhouse Roof Vent Opener Automatic Vent Opener, Replacement Cylinder Temperature Sensor Perfect for Greenhouse Window

【High Sensitive】This automatic vent opener for greenhouse features high sensitive, automatic respond to weather changes, so you don't need to stay near the greenhouse..
【High Performance】This greenhouse winder opener will change as the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating..
【Premium Material】This greenhouse winder opener cylinder was made of quality material, durable, solid and convenient to use..
【Features】This greenhouse vent automatic opener is time and labor saving, also can supply a better temperature condition of plant's growth..
【Opeeration Way】This cylinder is non-electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops.This products need to be refrigerated before use it..

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AAADRESSES Greenhouse Window Ventilation Bracket, Automatic Ventilation Switch, Solar Thermal Window Opener, Automatic Window Opening Tool for Greenhouse

[Automatic Vent Opener]-- As the temperature changes automatically, this auto thermo for window maintains the best growing temperature and prevents your greenhouse from overheating.
[Greenhouse Helper]-- With this greenhouse vent autovent it can prevent greenhouse overheating. Ideal for your greenhouse window--opens and closes your greenhouse window. Start to open - 15°c - 25°c (60°-77F).
Fully open temperature 35° (19f) or above.
[Solar Energy]-- Non electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops. This solar heat sensitive vent opener can lift up to 15 lbs. the cylinder closes well before deep freezing and opens again with no problem..
[Premium Quality]-- This solar heat sensitive adopted elongated aluminum cylinder with paint spraying, weather resistant. Aluminum frame looks more lustrous, durable and rust-proof..
[Warm Tips]-- Do not use this opener anywhere the temperature will exceed 45° (122F). To use with the greenhouse, you need to use the drilling tools to screw into the channel and fix it..

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TOPENS A5131 Single Swing Gate Opener Medium Duty Automatic Gate Motor for Single Swing Gates Up to 16ft, Electric Driveway Gate Operator AC Powered with Remote Control Kit Solar Compatible

...ht gates. The system provides a long operating life with minimum maintenance requirement..
【POWER SUPPLY METHODS】Equipped with TOPENS DPS180-U AC-DC power supply that plugged into a wall socket, PW302 gate opener can be directly powered by AC 100-240V electricity. The additional 24V 12Ah automotive / marine type battery (Battery is NOT included) and 24V 20W solar panel & solar controller (NOT included) can also power this system. 2 PCS 12V batteries connected in series for 24V..
【MULTIPLE PROTECTION & SAFETY】Reliable electromagnetism limit switch for easy adjustment. Soft start and soft stop ensuring a long-lasting performance. Adjustable self-close time (3-120s), adjustable stall force, max. motor running time (40s), and microchip rolling code for remote keys. Built-in stop and reverse mode in case of obstruction. Equipped with manual release key in case of power outage or when you lose your remote..
【WIDE APPLICATIONS】Suitable for all types of dual swing gates, and perfect for driveway gates made by steel, wood, vinyl, and shaped as panel, tube, and chain-link. Typical application includes residential, courtyard, pasture, farm & ranch. Easy DIY installation with commonly available tools, no extra welding, no high-voltage electrical connect....

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GP 27A Alkaline Battery 12V (Pack of 2)

Safe and durable: KaPonsec 23a battery 12v has ultra-long-lasting battery performance, mainly used for garage door opener remote control, car alarm remote control, doorbell, anti-theft alarm remote control, lighter and other electronic equipment.
High quality: KaPonsec battery has passed strict quality control standard testing and CE certification, Class A 12v a23 battery has longer battery life, and is equivalent to the following brand models: Energizer A23 12V Duracel MN21, MN21, GP23AE , A23S, 23A, 21/23, GP23A ,MS21 ,23AE, MN21B2PK, L1028, 8F10R, E23A, K23A, 23GA.
Rest assured to use:KaPonsec alkaline battery 23a 12v is professionally leak-proof,does not contain mercury,cadmium and lead,and is completely safe for the environment and daily use.
Three-years shelf life:KaPonsec 23a batteries is full of 12V power,it will maintain the fullest power within one year after purchase,and can maintain the best power for up to 3 years under appropriate storage conditions.
You will get: precise blister packaging, fully charged 12V 5PCS 23A battery and peace of mind service.

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1 White Recessed Screw Terminal Block Door Contacts NC Alarm Door Window Sensors with Magnetic Reed Switch. These 38 Door Contact Position switches DCS Work

[Automatic Vent Opener]-- As the temperature changes automatically, this auto thermo for window maintains the best growing temperature and prevents your greenhouse from overheating.
[Greenhouse Helper]-- With this greenhouse vent autovent it can prevent greenhouse overheating. Ideal for your greenhouse window--opens and closes your greenhouse window. Start to open - 15°c - 25°c (60°-77F).
Fully open temperature 35° (19f) or above.
[Solar Energy]-- Non electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops. This solar heat sensitive vent opener can lift up to 15 lbs. the cylinder closes well before deep freezing and opens again with no problem..
[Premium Quality]-- This solar heat sensitive adopted elongated aluminum cylinder with paint spraying, weather resistant. Aluminum frame looks more lustrous, durable and rust-proof..
[Warm Tips]-- Do not use this opener anywhere the temperature will exceed 45° (122F). To use with the greenhouse, you need to use the drilling tools to screw into the channel and fix it..

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tyrone 6 Pack CR2450 Battery CR 2450 3V Lithium Battery

ULTRA SAFE 3V BATTERIES - cr2450 battery 0 % mercury and each battery is separated packaged, cr 2450 battery is designed not to Leak in Devices During their Usage. child-secure packaging makes Tyrone Lithium Coin battery packaging nearly impossible to open without scissors..
LONG-LASTING BATTERIES - Ours 2450 lithium battery deliver the long-lasting power and performancewith, you can use your electronic devices wherever you want. our coin battery will last 10 years when unused and properly stored and 5 years warranty life, premium performance in the battery industry..
GRADE A BUTTON BATTERY - Tyrone cr2450 made of the highest quality materials, A-grade batteries are more durable, safe than normal batteries and thus trusted by most people..
RELIABLE POWER - CR2450 3v lithium coin cell battery ideal for watch, garage door opener, tea lights, votive candles, home security systems, alarm system, car key fob, remote control, calculators, toys, games, smart devices. (Please confirm whether the battery model required by your device is CR2450.).
MULTIPLE COMPATIBLE - CR2450 batteries ....

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ATOMS AT-1622BK By Skylink 1/2HPF Garage Door Opener with Extremely Quiet DC Motor, Belt Drive

Powerful DC motor provides extremely quiet operations compared to traditional garage door Openers with AC motors. Ideal for homes with living space above the garage.
Quiet belt drive delivers reliable performance. Soft start and stop adjust the speed gradually at two ends to reduce vibration and maximize life of mechanical parts and your garage door opener.
Built-in LED light to the garage door opener for long-lasting illumination, without the need to replace light bulbs. Worry free about the light bulb compatibility.
Do-it-yourself friendly, numeric display on head units guides you through all programming steps. Skyline offers online videos with step by step guide to install and operate this garage door opener.
Compatible with Backup Battery Model BA-100 (sold separately).

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TOPENS AT602 Dual Gate Opener Medium Duty Automatic Gate Opener Kit for Dual Swing Gates Up to 18 Feet or 660 Pounds Gate Motor AC Powered

...tendable and durable aluminum swing arms bring a superior performance for medium weight gates. The system provides a long operating life with minimum maintenance requirement..
【POWER SUPPLY METHODS】Built-in transformer, AT602 is powered by AC 110V electricity directly. The additional 24V automotive / marine type battery (Battery is NOT included) and 24V solar panel & solar controller (NOT included) are also allowed to use as back-up power source. 2 PCS 12V batteries connected in series for 24V..
【MULTIPLE PROTECTION & SAFETY】 Reliable electromagnetism limit switch for easy adjustment. Soft start and soft stop ensuring a long-lasting performance. Adjustable self-close time (0-99s), adjustable stall force, adjustable max motor running time (1-50s), and microchip rolling code for remote keys. Built-in stop and reverse mode in case of obstruction. Equipped with 90° manual release key in case of power outage or when you lose your remote..
【WIDE APPLICATIONS】Suitable for all types of dual swing gates, and perfect for driveway gates made by steel, wood, vinyl, and shaped as panel, tube, and chain-link. Typical application includes residential, courtyard, pasture, farm & ranch. Easy DIY installation with commonly available tools, no extra welding. ....

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