Standalone smoke detector detects the smoke by couple infrared diodes.
Dustproof, mothproof and anti outside light interferece.

Wireless alarm devices with high reliability  based om Zigbee standard design,they can be used for smart home,shop, hotel, restaurant, office building, school, bank, library, computer house and storehouse etc. to detect smog density in the air and provide  an alarm.

Smoke Detector Main Features:

Battery Operated or AC Power
Comply With BS EN 54-5;UL539
Photoelectric Sensing Technology
Low Battery Warning
Loud 85dB Alarm
Instant Test Button
Interconnectability
57°C (135°F) Fixed Rate

Detector Technical Parameter:

Operating voltage: 120V AC or 230V AC ,9V Battery Back-up
Interconnects: Up to 40PCS SMOKE ALARM
Horn output: 85dB at 10ft
Temperature Range: -10°C~+70°C
Humidity Range: 5%-95% relative humidity (RH)
Smoke Alarm Point: 2.06%/ft
Alarm temperature: 57°C (135°F)
Dimension: 124 mm(Dia)*40mm(H)