ReviewsPhotoelectric Controller For Public

SITERWELL Smoke Detector 10 Year Fire Alarm with Photoelectric Sensor and Built-in Battery Fire Detector with Low Battery and Fault Warning for House and Bedroom UL Listed GS526A 4 Packs

【Activation Before Installation】 Press test button and hold it for more than 3 seconds until LED lights, and release it within 2 seconds, smoke....
【Photoelectric Technology】The smoke alarm uses a photoelectric sensor to ensure that fire smoke can be detected in advance, giving family more....
【Fault Signal Alarm】The photoelectric smoke alarm is very easily tested only by pressed the button more than 5 seconds, the low battery will have....
【Certified Safe and Reliable】The smoke detector has passed UL certification, its quality is guaranteed. The smoke alarm don't contain any....
【10 Years Life Time】The smoke alarm can be 10 years life time and has 10 years life time non-repalced battery. You won't worry about replacing the....

Check Stock

tesha USI Stylus Pen for Chromebook with 4096 Levels Pressure for Lenovo Chromebook Duet ASUS Chromebook C436/C536/CM5/CX5 HP Chromebook X360 12b/14b/11a Including AAAA Battery & Spare Tip

【100% 10 Years Warranty】 : If there are any problems with our products ,you can contact us ,we must reply you within 24hours as soon as....
【Photoelectric Technology&Material】: Fire-Retardant ABS V0 Level. 9V Battery-Powered Photoelectric sensor Smoke Alarm. photoelectric technology....
【Sound & LED Warning】: When the fire alarm detects smoke or detect combustion particles in the air it will sound their alarms(Alarm volume: >....
【Easy Installation】: Can be installed in several minutes. Coming with screws and bracket. Safety clip feature,not allow mounting of smoke alarm....
【Suitable for Multiple Places】: This smoke detector does not contain any radioactive material. It should be installed in every room (except the....

Check Stock

Garage Door Kit YoLink 1/4 Mile World s Longest Range Garage Door Sensor and Controller Compatible with Alexa IFTTT Garage Door Opener App Remote Control Open Close Notification YoLink Hub Required

World's Longest Wireless Range: Powered by LoRa technology, the long-range yet low-power system offers the industry’s longest receiving range in the....
Universal Compatibility: Compatible with all garage door openers manufactured since 1993 with photoelectric sensors.
Early-Warning Notifications: Receive real-time early-warning notifications in the form of smartphone banner alerts, limited SMS/text messages, and....
From Simple to Super-Smart: After setting up your notification preferences, keep it simple and let the YoLink system do the rest and monitor your home....
YoLink Hub Required but not included: YoLink Hub is the only central controller for YoLink devices, and it connects YoLink devices into the internet....

Check Stock

Go Power! Overlander 190W Solar Kit with 30-amp Solar Controller black

Designed to charge batteries in RV, marine, cottage and cabin applications.
Includes gp-pwm-30 digital solar Controller with 4 Stage charging w/ Bluetooth and lithium chagring.
25 year warranty backed by a public company.

Check Stock

HiLetgo 20pcs ITR9608 ITR9608F ITR-9608 DIP-4 Opto Photo Interrupter Optical Sensor Photoelectric Switch Optical Interrupter Photoelectric Sensor DIP4

HiLetgo 20PCS ITR9608-F Photoelectric Switch.
Optical Interrupter Photoelectric Sensor.

Check Stock

LSHOME 4 Pack Smoke Detector Fire Alarms 9V Battery Operated Photoelectric Sensor Smoke Alarms Easy to Install with Light Sound Warning Test Button,9V Battery Included Fire Safety for Home Hotel

Technical Details : there are 4 pack, not 6pack,.
【Photoelectric Technology&Material】: Fire-Retardant ABS V0 Level. 9V Battery-Powered Photoelectric sensor Smoke Alarm. photoelectric technology which is optimized to detect slow smoldering fires which generate light smoke, little heat and may smolder from all directions for hours before bursting into flames..
【Easy Installation】: Can be installed in several minutes. Coming with screws and bracket. Safety clip feature,not allow mounting of smoke alarm without battery installed.
【Sound & LED Warning】: When the fire alarm detects smoke or detect combustion particles in the air it will sound their alarms(Alarm volume: > 85dB(A) @ 3 meters) and the red LED will flash rapidly. The LED light and alarm will continue until the air is cleared or the test button is released..
【Suitable for Multiple Places】: This smoke detector does not contain any radioactive material. It should be installed in every room (except the bathroom and kitchen), making sure the people in your home will be able to hear and respond to the alarm sound..

Check Stock

KAGO USB Printer Sharing Switch - Printer Splitter for Two Computers,Printer Switch 2 Computers to 1 Printer Automatic,2 PCs Share 1 USB Mouse Keyboard,U-Disk,Driver-Free,Plug&Play for All OS

USB Switch Selector - USB a b Switch,Printer Switch for 2 PCs share 1 USB devices, small and portable, easy to switch between 2 PCs with desktop controller and panel buttons.
Compatible OS Systems - Printer share switch selector for Windows 11/10/8/7/Vista/XP, Mac OS X, DOS, Android, Linux and Chrome OS. No driver, plug and play.
2 Ways to Switch - USB switcher 2 Computers can be controlled by a button or a desktop controller, using the desktop controller will clean the office desktop, no messy cables on the desk, clean and clear.
USB 2.0 Peripheral Switcher - USB printer auto sharing switch,USB switch hub can share USB devices such as printers, scanners, keyboards, mice, card readers, USB sticks, flash drives, portable hard drives, SSD drives between 2 computers..
Occasions and Events - Ideal for group meetings, advertising, home,offices, multimedia, learning, financial securities, presentations, video teaching, public surveillance, video broadcast systems,Construction Site..

Check Stock

AXLIZER 2PCS Outdoor Dustproof Rocker Switch, Waterproof Switch, Appliance Switch, Inline ON/Off Rocker Switch

...ff at dawn according to ambient lighting levels.
Adopted an internal design, the post eye light control has an automatic ambient light level detection circuit that automatically switches off during the day and on at night, saving you the trouble of having to remember to switch lights on or off at certain times.
Photoelectric design accessories: the package comes with 6 packs of black automatic light switches, made of quality material, which are stable, weatherproof and anti rust, you can use them with confidence for a long time, and can serve as small and rainproof street lights photoelectric switch.
A waterproof cover design: the photoelectric switch for outdoor lights is equipped with a waterproof cover to double protect the sensor lens, which can avoid dirt and dust, and help the switch to work better in hard environments, such as in rainy, windy, snowy days and more.
Nice compatibility: the mini button photo control inputted voltage is 120 to 227V, which will be compatible with various kinds of lamps fixtures like incandescent, fluorescent, CFL, LEDs.
The LEDs need to work with DC power, while other voltages are not suitable.
Suitable for indoor and outdoor places: the photo cell light sensor for outdoor lighting features time delay function, wh....

Check Stock

Ltvystore 100PCS GL5537 5537 Light Dependent Resistor LDR 5MM Photoresistor Photoconductive Resistance Assortment Kit Compatible for Arduino

Simple and flexible circuit design, it is a new generation of selenium battery..
This photocell has a wide spectral response unmatched by photomultiplier tubes, photocells, and selenium photocells..
Suitable for photodetection components, near-infrared detectors, photoelectric readout, optocoupler, shed ranging, laser alignment identification and photoelectric switches..
It is especially ideal for optical instruments operating in the 300NM to 1000NM spectral range..

Check Stock

Ecoey Smoke Alarm , Wireless Interconnectable Fire Alarm with Built-in Lithium Battery and Professional Anti-Insect Net, 10-Year Fire Safety with Silence Function, FJ111-B,8 Pack

WIRELESS INTERCONNECTION FUNCTION: This alarm can realize the interconnection between products. When an alarm detects smoke and the alarm sounds, other alarms connected to it will all sound. Up to 66 pcs alarms interconnect..
PHOTOELECTRIC TECHNOLOGY: This alarm is a photoelectric smoke alarm with wireless. With the photoelectric technology, it is more sensitive to detecting slow smolder fires which general thick, black smoke and may smolder for hours before bursting into flames. The smoke alarm device does not contain the radioactive material which is harmless to the environment..
11 YEARS OF LIFE: This smoke alarm has a built-in 3V lithium battery, it can ensure that the alarm will be used for 10 years without replacing the battery saving energy and protecting environment and it has a low battery warning which will remind when you need to change the detector..
LOW BATTERY WARNING: Low battery voltage signal ensures the smoke detector can work normal. When the battery voltage is lower than threshold, an intermittent “chirp” with red LED flashing once every 42 seconds..
TEST&SLIENCE BUTTON: The Test / Silence button allows you can often test the alarm to test the unit for proper operation, and easily silence the alarm when false alarms occur..

Check Stock

2-Pack Outdoor Conduit Lighting Control with Photocell and Swivel Mount Photoelectric Switch for Wall Packs, Shoebox Porch Lights 120-277V Photocell

Auto Photocell Sensor- Applicable Voltage: 120-277VAC, Rated Loading: 500W TUNGSTEN, 850VA BALLAST.Automatically turns light on at dusk and off at dawn,giving you energy savings and convenience without the need for manual operation..
Adjustable Light & Swivel Design- You can adjust the brightness of light as your idea. The device swivels for optimal light positioning, focusing light on where you need it to be is effortless..
Specifications & Wide Applications- AC 120-277 input voltage, 50/60Hz, threaded diameter 1.06 inch, 10~20Lx on and 30~60Lx off operate level. Great for controlling outdoor area lights, post light, porch lights, yard lights, floodlights, entry lights, driveway and walkway lighting..
Simple Installation & Easy to Use- Place screw thread of the switch in the knockout hole and fasten with rubber gasket and zinc alloy lock-nut. The swivel base can be positioned at the precise spot, focusing light on where you need it to be is effortless..
UL Listed Outdoor Light Controller- Our 120-277V photoelectric switch sensor is UL listed to ensure quality and your safety. Heavy-duty body and IP65 waterproof protects the sensor against weather elements such as rain and dust..

Check Stock