Infrared Barrier Light Beam Sensor, 1 Pair Half Egg 20m Single Sensor Simple Alarm Photoelectric Detector for Home Gate Door Window Security System

[Application]: The outdoor photo beam sensor is great to be installed for security system in school, office building, hosipital, home yard, etc.It can also be installed in the garage security protection, installation of the security system of valuable goods stores. [Infrared parameter]: Infra-red frequency: 1.92Khz; Power supply: DC 12V; length: 940nm.Half egg shaped, input: RX 15mA-TX 30mA, operating temperature: -10℃ to 70℃ [Excellent quality]: This single beam infrared sensor is made of high quality plastic shell, eco-friendly, and sturdy to use.The plastic case has excellent characteristics such as corrosion resistance, easy cleaning, and waterproof. When there is no external force, it is generally not destroyed, and the service life is very long. [Receiving a long range]: The infrared detector can create a and invisible infrared beam up to 20 meters.By installing the receiver and transmitter at the same level, it can effectively detect and reach the alarm within the range of 20 meters. [Weather instructions]: Therefore, the infrared detector still has the ability to detect the distance when it is used in inclement weather.Range can be reduced to 30% in bad weather conditions: fog, rain, dust, etc.