Wireless 433MHz smoke detector is a device that detects smoke, typically as an indicator of fire. Commercial, industrial, and mass residential devices issue a signal to a fire alarm system, while household detectors, known as smoke alarms, generally issue a local audible and visual alarm from the detector itself. Widely used in home, factory, school, shop, offices, villas, residential areas where fire prevention alarm is needed.
*Exclusive smoke intelligent algorithm, high sensitivity, no false alarm, strong anti-interference.
*Anti-Light, Moth-proof, Dust-proof, High stability. With long standby life, effectively extend battery lifespan.
*Once triggered, light will flash with loud high volume alarm sound, louder than 95dB. With Test Key.
*Perfect full buckle patented structure, anti-dismantle cover, easy to install, clean and replace battery. No wiring needed.
*Low Battery Alarm: When battery voltage is low, sound prompts to remind users replace battery.
Power Supply: DC 3V battery(included)
Alarm Current: <80mA
Standby Current: <10μA
Alarm Loudness: 95dB, 3 M
Alarm Mode: Sound/Light
Transmission Distance: 100m
Detecting Area: 30 square meter
Smoke Detection Sensitivity: I-grade
Linkage Transmitting distance:
Smoke Sensitivity: 0.55%/FT +/-15.5%/FT
Operating Temperature: 0°C to +50°C
Working Humidity: Relative 10%-93%
Item Size: 12*12*5cm
Package Size: Approx. 12.8*12.8*5.6cm / 5 * 5 * 2.2in
Package Weight: Approx. 248g / 8.7oz / 0.55lb
1 * KERUI SD05 Wireless Smoke Detector
1 * Set of Mounting Screws and Sticker
1 * User Manual(English)