Wireless Photoelectric Fire Smoke Alarm Detector Sensor Ceiling Wall Mounting Type for Home Office House Safety SAL-8493

Wireless Photoelectric Fire Smoke Alarm Detector Sensor Ceiling Wall Mounting Type for Home Office House Safety SAL-8493

5 (1 product review)Added 5 years ago
US$ 7.87 Free worldwide shipping!
TinyDeal
Product Features: : Photoelectric sensor for early detection from all directions General purpose design, ideal for all areas Detects smoke by a couple of infrared diodes Alerts and warns people to stay far away from dangerous field when it detected smoke Features dustproof, mothproof and anti outside light interference Principle of detecting is granule in the smoke can reflect infrared light, while infrared diodes are placed in the special chamber and the chamber can shield external light, but doesn't affect smoke going into it The diode can receive quite weak infrared light, when the smoke enters the chamber, diode can receive more and more light, when the smoke attains certain density, the detector can give out alarm signal. The emitting circuit adopts pulse signal to reduce the interference and lower power consumption Suitable for house, shop, hotel, restaurant, office building, school, bank, library, computer house and storehouse, etc With red flash alarm indicator Easy to install with mounting hardware included Test button for easy recommended monthly testing Product Specifications:: Power Source: 9V DC battery (NOT included) Operating Current: 10 uA (normal) and 20-50 mA (alarm working) Operating Temperature: 40°F-100°F (4.4°C-37.8°C) Ambient Humidity: 10% - 90% Horn Level: 85 Decibels at 10 feet Color: White Gross Weight: 143g / 5.04 oz Size (Diameter x Thickness) : 110 x 28 mm / 4.33 x 1.10 inch Package Contents:: 1 x Smoke Alarm * 2 x Screws