Best Presence Sensors

Cazoner Natural Gas Detector and Propane Detector, Methane LPG Home Combustible Gas Leak Alarm

√ GAS DETECTOR FOR HOME–Compact design for home used. High sensors to spot the presence of natural gases & liquefied petroleum gases leakages. A loud beeping & red flashing visual alerts you or your family when the levels unsafe (Alarm value setting: 7%LEL). It will effectively to protect your family & property safety..
√ UL CERTIFICATED–Medical grade polycarbonate material let it be flame-retardant, wear-resistant and anti-oxidation. The annual power consumption of J1 gas detector is ONLY about 2 kWh that meet the UL standard. It can operate well for at least 5 years..
√ MULTI-ENVIRONMENTS FOR USE: Suitable for motorhome, basement, rental house, residential house, boarding house, villas, hotels, markets, kitchen, etc., as long as AC110v power supply can be directly inserted..
√ NOTE: Please do not install this device outdoors, please clean and self-test it for every 6 months.
√ OUR COMMITMENT: We offer a 100% satisfaction guarantee to each customer. If you will have any questions or unsatisfied with this product, please contact us for any assistance. Money back or replacement directly is available when you'll apply. You will feel no any pressure to shop from us..

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Air Quality Monitor Indoor, CO2 Detector, 6-in-1 Air Pollution Carbon Dioxide Detector with PM2.5/1/10, Temperature, Humidity Professional Sensor Real Time Reading, CO2 Alarm Meter

...The reading of PM1/PM2.5/PM10 automatically switches every 5s)..
【Portable CO2 Detector】: A portable detector the size of a palm, is easy to carry and can detect the gas quality in bedroom, living room, kitchen, office, car, school, hotel, campground and other environments. the data can indirectly understand the presence of second-hand smoke and mold, which will send out an alarm for your health..
【Easy Operation & Customer Service】: Just one button operation to switch on/off, with a detailed instruction manual, in addition, if you have any questions about our products and services, please feel free to contact us any time, we are always committed to providing you with quality products and services!.

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Taiss/30 cm Adjustable M18 Diffuse photoelectric Switch Sensor Optical Three Lines NPN NO (Normally Open) Proximity Switch 6-36VDC E3F-DS30C4

Whether the detection distance is adjustable: adjustable.
Detection method: Diffuse reflection type.
Photoelectric switch sensor with integrated circuit technology and SMT surface mount technology, a new generation of optical switch sensor devices, photoelectric switches are manufactured with external synchronization, interference suppression, reliability, regional stability, and self-diagnosis..
Photoelectric switch sensor is the use of a test object to block or reflect the beam through a synchronous loop gate circuit to detect the presence or absence of an object. All reflected rays can be detected accurately..
The current sensor switch is widely used in mechanical automation, 3D Printer Probe Bed Leveling, paper making, light industry for limiting station, orientation taking count, speeding trial etc..
Package contains- 1 x Photoelectric Sensors..

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IDEAL INDUSTRIES INC. 61-025 Volt Aware Non-Contact Voltage Tester, Clear and Compact Voltage Testing, CATIV for 1000v

ACCURATE VOLTAGE TESTER: Green LED shows unit is active, flashing red indicates live voltage. The VoltAware NCVtester is useful for identifying hot conductors, finding breaks in wires and detecting the presence of AC voltage at outlets, switches, electrical panels, wires and cables..
ULTRA EASY TO USE: Twist the tester body to the On position and verify the green light is on. Verify tester operation on a known voltage source. Next, place the tip of the tester near an AC voltage source to obtain a voltage indication. Voltage presence is indicated by a red, flashing light. If no voltage is detected for a period of 15 minutes, the tester will flash green three times then shut off automatically.* Twist the tester body to the Off position, then back to On to reactivate..
SLEEK, COMPACT DESIGN: The sleek, non-contact voltage tester designed by the innovative minds at IDEAL. Its compact design makes it ultra easy to use, even in tight spaces and it is packed with features that will help you on the job..
BATTERIES INCLUDED: (2) AAA Batteries included with voltage tester. Quick and easy battery replacement — with the tester in the middle position, simply pull apart the two case halves and replace with 2 AAA (LR03) batteries..

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Piaa 85115 Superior 112Db 330Hz and 400Hz Twin Tone Bass Horn Black

330Hz and 400Hz announces your presence with style.
Helps to improve motor safety and announces your presence with style.

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EEZTire - TPMS Real Time/24x7 Tire Pressure Color Monitor (Monitor ONLY) - incl. 3-Year Warranty

■ REAL TIME/24x7 SAFETY & HIGH FUEL ECONOMY - BRAND NEW LARGER TPMS COLOR MONITOR By EEZ RV Products is our latest technology upgrade. It is fully compatible and works well with any existing EEZ RV Products' TPMS anti-theft or flow-through sensors..
■ ADVANCED TECHNOLOGY ALERT SYSTEM - TPMS monitor is motion sensitive and monitors tire pressure and temperature on 6-second intervals continuously. It sends visual and audio warning alarms immediately when tire pressure or temperature falls outside the preset safety parameters. The monitor goes into power saving mode if no motion is detected in 15 minutes to save battery. The sensors send status signals to the monitor on 6-second intervals continuously as long as the sensors are under pressure..
■ EASY OPERATION & MAINTENANCE - EezTire TPMS monitor has one of the largest display screen on the market 4 ½” x 3”. It takes minutes to setup and program. Pre-programming available by seller (please contact us for details). The monitor has a built-in rechargeable internal lithium battery. Sensors have replaceable batteries. It comes with a common USB charging cord that can be connected to vehicle’s 12 volt cigarette lighter adaptor..
■ MULTIPURPOSE - TPMS monitor has separate controls for RV and trai....

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Zooz Z-Wave Plus 700 Series Titan Water Valve Actuator ZAC36 | Compatible with SmartThings

SMART FLOOD PREVENTION: Shut your main water valve automatically when a leak is detected to prevent costly water damage. The Titan actuator installs over your ball valve and comes with a plug-in leak detector to monitor water presence around it. It will work offline with the probe connected directly to the Titan but the device works best when included to a compatible Z-Wave hub (sold separately) for full wireless functionality..
EXTREMELY STRONG: Unlike other retrofit solutions, the Titan is equipped with a powerful motor that opens and closes even the most stubborn valve reliably. It calibrates on each individual valve once installed for optimal performance..
DIY INSTALLATION: You don't need any tools and it takes just a few minutes to mount and calibrate the device. You can use it outdoors too! Follow the steps in the manual and installation video carefully when installing the product. Check your set-up before buying: suitable for 0.5" - 1.25" ball valves only.
3" clearance from the valve center to each side on the pipe, at least 1.25" clearance between the valve handle and the pipe, at least 1" clearance between the pipe and the wall..
Z-WAVE COMPATIBLE: Get the most of your Titan Valve Actuator when you include it to your Z-Wave hub. Program it to s....

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PIAA 85112 115Db 500Hz and 600Hz Twin Tone Sports Horn for All Vehicles, Black

500Hz and 600Hz announces your presence with style.
Helps to improve motor safety and announces your presence with style.

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Mold Armor FG500 Do It Yourself Mold Test Kit

Tests for the presence of mold within 48 hours.
A simple way to protect your family from toxic and other molds.
The date printed on the item is manufacturer date and not the expiry date..

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