Best Automatic Doors Voltage Control

Happybuy Automatic Door Opener 110-240V, Handicap Door Opener 22 Lbs, Automatic Swing Door Opener 50 W Swing Door Opener 120 Degrees Adjustable Aluminum Alloy and Stainless Steel Electric Door Opener

Intelligent Door Opener: Power Voltage: 110-240 VAC (+/-10%).
The automatic door opener adopts aluminum alloy and stainless steel shell with cast iron and aluminum alloy bracket, which is corrosion-, rust-, and scratch-proof..
Interference- Sensor: The 24G sensor adopts an optimized detection control circuit, allowing high-sensitivity microwave induction within 3 m. The sensor of handicap door opener features interference-proof ability, pinch-proof function, and stable operation..
Wireless Remote Controller: The two multi-function remote controllers work on the microcomputer controller directly. The four modes of the door opening can be set as your requirement. The 315 MHz remote controllers allow remote sensing distance of 10 m..
Easy to Assemble: The automatic swing door opener provides easy installation and high security. Detailed instructions are offered. You can also choose appropriate arms like a pull-to-open arm or push-to-open arm according to your different needs. The range of door width: max. 120 cm / 47.2".
Versatile Usage Place: The maximum opening angle of the electric door opener is 120 degrees. It is very suitable for door security in many places, including superma....

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DC Power Supply Variable Eventek Adjustable Switching DC Regulated Bench Power Supply with 4-Digits LED Display, USB Interface, Alligator Cord/Test Lines (30V 10A)

【ADVANTAGE】Novel design, strong and durable, portable handle, easy to handle. Constant voltage, constant current automatic conversion, can be uesd as a constant voltage source, can also be used as a constant current source..
【PRODUCT CHARACTERISTICS】The Adjustable DC Regulated Power has plastic panel, beautiful and generous. Hand-held design, easy to carry. Voltage and current are adjusted roughly and finely to adjust voltage and current accurately..
【TEMPERATURE CONTROL】Temperature control, according to the load speed adjustment, effectively reduce the noise, prolong the life of the fan. Perfect protection functions, adjustable overvoltage protection (OVP), short circuit current limiting protection (OCP), overtemperature protection (OTP), overpower protection (OPP)..
【LINEAR ADJUSTMENT MODEL】PWM switch pre-voltage regulation, MOS linear adjustment mode, high effciency, energy saving and envirronmental protection, SMT process, more stable performance. The circuit design is reasonable, the key components are imported and can be used at full load for a long time..
【WIDE APPLICATION】Aging test of factory products: such as DC motor, DVD, audio, resistor, capacitor and other products. Battery Charging Industry: Perfect application in batte....

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DC 12V 40A Relay Remote Control Switch, 1CH Universal 433Mhz Remote Control Wireless Latching Function Switch for Industrial Control and Low Voltage Power Systems & More

【Easy & Convenience】 We have made transmitter and receiver working together and test it before ship it,when you get it don’t need to do anything ,just install it..
【Application】Suitable for electric control circuits of remote control electric doors and windows, signal control, industrial control, lifting equipment,12V batterys, power switch for low voltage DC power sources, dc LED lighting and low voltage power systems and a wide variety of 12 volt equipment. Ideal for direct control of various loads.
【SIGNAL Stability】the RF remote control adopts RF technology, stable signal. Signal of the wireless RF switch can pass through walls, floors and doors, steadily control receiver from any place within a reliable distance, Max range is up to 20–50meters with no obstacle..
we send latched mode default ( that is, Press the button “on” , the receiver relay is ON.
Press the button “off”, the receiver relay is OFF ). You can switch to different modes as needed，Latched/Momentary / Toggle / 5 seconds delay (If you encounter any problems in use, please feel free to contact us any time, we will be happy to serve you, thank you very much ).

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1-600MHz RF Signal Power Meter Logarithmic Detector -74dBm to 18dBm Radio Frequency Detection

The detector is is used for RF signal power detection of frequency range between 1MHZ and 600MHZ.
It can detect a rf signal of power from -74dBm to 18dBm, and convert the RF signal into a DC voltage output.
The higher radio frequency signal range or power is, the higher output voltage will be.
output voltage is proportional to logarithm of input signal range.
Widely used for RF signal detection, signal power measurement, environment field strength detection, can also be used as a part of automatic gain control and automatic level control.
It can be made into 1mw ~ 1kw RF power meter after appropriate transformation.

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Door Closer Automatic Adjustable Closers Spring Hydraulic Auto Door-Closer with Easy Installation Life Size Fitting Template & Instructions (Black)

【NO SLAMMING ANYMORE】: Still bothered by constant door slamming when someone leaves? Come to us and get the best automatic door closer you can find online to solve this issue! With our door closers residential, you can enjoy automatic door closing and latching while maintaining quiet and secure moments every day..
【EXQUISITE QUALITY】: Our automatic door closer is made of quality aluminum alloy, which makes it stable and durable. This storm door closer is easy to install, silent and smooth, totally automatic and speed adjustable. Easy and simple fitting helps to save your time and shows a better performance. The lever of the door closer rotates flexibly as well..
【WIDE APPLICATION】 - Our door closers commercial are commonly designed for heavy doors weighing between 40-65kg (88lb-143lb). Door width 60-90cm (23.62" -35.43"). Door opening range: maximum 150º. The door slam stopper can work with different types of medium doors whether wood or steel, residential or commercial. You need a door closer that can suit the dimensions of your door..
【FLEXIBLE ADJUSTMENT】 - 2 independent adjustment control valves of our automatic door closer to suit your needs.. With them at your fingertip, you can control both door latching speed and the closing spe....

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TEHAUX 3pcs Punch-Free Door Closer Multifunction Residential Sliding Screen Door Closer

SLIDING SCREEN DOOR CLOSER AUTOMATIC--Suitable for screen doors, sliding doors, invisible doors, glass doors, office doors, etc..
DOOR CLOSER FOR HOME--- [Wide Application] The multifunctional automatic door closer is suitable for doors or doors with stronger closing. For example: screen doors, sliding double doors, security doors, aluminum alloy glass doors, iron doors, office doors, interior doors..
SELF CLOSING DOOR--The installation method is simple and easy to operate, punch-free adhesive installation..
AUTOMATIC DOOR CLOSERS--- [Punch- Free Easy to Install] The automatic door closer is punch- free and adopt adhesive installation, good firmness, does not damage the wall, easy installation an high- temperature resistance..
WIRE ROPE DOOR CLOSSER-- Anti- oxidation,, stable, wear- resistant, small size and space- saving, and safe..

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HITBOX MIG Welder 200Amp – 110V 2 in 1 Gasless Flux Core Welder ARC/MMA Welding Machine with IGBT Inverter, Portable Automatic Wire Feed Welders No Gas-HBM200

Powerful machine :Up to 200Amp output allows you to weld mild steel up to 5/32” in the plate. Suitable for 0.30” & .035” flux core wire. Automatic change of the voltage & wire feeding speed by adjusting the amperage.
Multi-Process：Gasless MIG/Stick 2 -in-1 Welder.ARC mode fits rods: E7018, E6013, E6011.
Advanced IGBT&Inverter & 60% High duty cycle ensures long time operation.Closed loop feedback control, constant voltage output, workable under mains voltage fluctuation within ±10%.
Adjustable welding voltage and current, excellent welding performance. Adopting unique welding dynamic characteristic control circuit in Gasless, stable arc, little spatter, beautiful weld bead, high efficiency.
Automatic compensation for voltage fluctuation, over current protection, over load protection.Perfect for Home DIY and Repair, Maintenance, Metal Fabrication, farm & road equipment.

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Door Access Control System Stainless Electric Steel Door Exit Button Door Push Release Button Push Button Switch With Indicator Light

... install and operate, economical and practical. With the excellent design, Easy and quick installation..
Application: The door access control system switch suitable for being installed on hollow door frame and embedded electrical box. Widely used in doors, exits, gates and automatic control. Widely used in door entry access control system, such as offices, banks, gas stations, department stores and many more..

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HayWHNKN 28inch Countertop Display Refrigerators Cake Showcase Bakery Display Cooler Cabinet Automatic Defrost White LED light 110V

【Automatic Defogging Function】The food in the cabinet can be fully displayed, clearly visible. The air duct design on the outside of the glass can effectively remove the condensed water on the surface. The defogging interval is 4-6 hours. There is no auxiliary heater and it is more energy-efficient to use..
【Double-layered Glass】The display cabinet uses double-layer hollow heat-insulating glass doors to effectively block the strong light and heat from the outside. The air-cooled technology locks the freshness more evenly and effectively locks the internal air-conditioning..
【Digital Temperature Control】Electronic temperature control is accurate, and the adjustment range is 32-53.6°F (0-12°C), which meets the temperature requirements of different foods..
【Long Service Life】Equipped with high temperature protection device to prevent machine failure caused by high ambient temperature. New type compressor with more stable performance..

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