Reviews Outdoor Photoelectric Beam Detector

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....

【Parameters】- Installation method:4PIN.
Whether the detection distance is adjustable: not adjustable.
【Structure】- The photoelectric sensor module consist of an infrared transmitting tube and an infrared receiving tube, mini size, compact construction..
【Working Principle】- The sensor optico senses the presence of an object by using the reflective IR beam from the object..
【Application】- Slotted Optical Sensor Switch normally used for the detection of reflective materials such as paper, IBM cards, magnetic tapes, Fax and shredder paper, Obstacle, Black and white line etc..
【Package Contents】- 10Pcs x Infrared Reflective Photoelectric Sensor..

2 in 1 detector: It can be served as both Smoke detector and carbon monoxide detector alarm to detect the threat from these two harmful chemicals,Very....
Accurate ,Reliable,High Sensitive & Quick Responsive: Equipped with electrochemical CO sensors and photoelectric smoke sensor that work independently....
LCD Digital Displays&Widely Used:When the fire smoke alarm detects smoke fire or detectes concentration of carbon monoxide exceeding the standard....
Test Button: Malfunction and low battery warnings allow you to easily know the working status of the alarm.
Test button enables (silent mode)you to....
Quick,Easy Installation : Battery operated device Can be easily installed and maintained without the need for an electrician,Easy to mount on any wall....

【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....

Combo Smoke Detector/Carbon Monoxide Alarm Detects Battery-operated Unit installs Quickly and Easily Without an Electrician, loud 85dB Decibel alarm.
Smoke and Co Detector You Can Hear the low Power alarm When the Power is Going to Run out, and Won’t Miss the Chance to Change the New Battery..
Photoelectric Sensor Detects Smoke While Minimizing false alarms, Electrochemical CO Sensor Alerts you to Carbon Monoxide Danger.
Mini Combination of Carbon Monoxide Detector and Smoke alarm Simple style Designed for Kitchen and Travel.
We Provide a 12-Month Worry-Free Refund Guarantee and a 5-Year Warranty. If You Have Any Questions or Concerns, Please Do Not Hesitate to Contact Us at Any Time, and We Will Reply to You within 24 Hours..

Smoke detectors using high accurate electrochemical sensor, alerts you to carbon monoxide danger and insure the safety of your life. Photoelectric....
It can serve as both smoke detector and carbon monoxide detector to detect the threat from these two harmful chemicals. One single unit instead of two....
When the fire smoke alarm detects a smoke fire or detected concentration of carbon monoxide exceeds the standard value, the LCD display will show the....

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..

...pathway light, fence lights, deck light, parking lot light, exit light, entrance light, driveway light, etc..
【Long Working Time】: Solar motion lights outdoor has a built-in large-capacity 2400mAh lithium-ion rechargeable battery, and is equipped with a newly upgraded polysilicon high-efficiency solar panel, Its photoelectric conversion efficiency is around 21.5%, ensures full charge at low light. When fully charged, offer illumination up 10 hours a day, which meets your need to for all night use..

Smoke and Carbon Monoxide Detector Offering Excellent Security: Making a Loud Alarm (85 dB) When It Detects a Buildup of Smoke or Carbon Monoxide, and Instantly Alert Those In Danger..
Built-in Electrochemical Sensor with High Accuracy and Infrared Photoelectric Sensor Helping to Reduce False Alarms..
Carbon Monoxide Detector and Smoke Alarm Providing Whole-day Protection.
Battery-powered Unit Can be Installed Quickly and Easily without an Electrician.