433MHz WL-228W Wireless Photoelectric Smoke Detector Alarm System

• Features dustproof, mothproof and outside light interference resistant

• High precision infrared photoelectric sensor

• Accordance with UL217, EN14604, GB4715 standard

• Adopts CMOS microprocessor, low power consumption

• SMT workmanship, high stability

• Fire retardant ABS shell, anti-temperature

• It needs an alarm panel and siren to feature alarming function
  

• The detector is suitable for detecting the smoke in house, shop, hotel, restaurant, office building, school, bank, library, storehouse, etc.

Specification:

• Wireless emitting distance: 500m (open area)

• Emitting frequency: 433MHz

• Working voltage: DC 9V

• Working current: less than 10uA

• Alarm current: less than 30mA

• Infrared photoelectric sensor, sensitivity: 2.06%ft±1.3%ft

• Monitor range: 20m²

• Alarm volume: 85dB at 10 feet