Sell factory Photoelectric Smoke Alarm Detector Home Security Alarm System Fire Protection best price

Photoelectric Smoke Alarm Detector Home Security Alarm System Fire Protection Features: Made from qualified material it is reliable and safe to use. Adopts the special structure design for stable performance and high sensitivity. The optical labyrinth maskable the outside stray light interference but does not affect the smoke enters. Suitable for detecting the smoke in house shop hotel restaurant office building school bank library computer house and storehouse etc. Compact size easy to install and use. Descriptions: Can monitor air and detect smoke with optical principles. Smokeless state the receiver tube receives only a very weak infrared light when smoke enters. Due to the scattering effect the received optical signal enhancement the detector output an alarm signal when the time of the smoke reaches a certain concentration. Specifications: Type: independent type wireless type Working voltage: DC 9V Battery: 1* 6F22 battery(built-in) Static current: ≤10uA Alarming current: ≤20mA Noise: ≥80db Alarm mode: sound and light alarm Detect area: 20 square mater Working temperature: -10~50 degree Humidity: ≤95%RH Wireless Signal: 315MHZ or 433MHz Material: plastic Size: 107x107x49mm Color: white Package included: 1 x Alarm Detector 1 x Pack Mounting Accessories 1 x Manual Notes: 1.Due to the difference between different monitors the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2.Due to the manual measurement and different measurement methods please allow 1-3cm deviation.Thanks! Photoelectric Smoke Alarm Detector Home Security Alarm System Fire Protection 28090512-1660398484