Fire alarm HY-SA30A-R8

wireless

Wireless Interconnected Smoke Alarm > Split-spectrum sensor technology > Test and silence features in one single button > Loud sound output over 85 dB(A) at 3 meters > Low quiescent current consumption > Surface-mount device (SMD) circuit board design > Low battery warning signal > Built-in battery, easy installation > Silenced by a working infrared remote controller > Wireless interconnected with maximum of 24 devices Collection Type Smoke Sampling Period 9 s Working Principle Photoelectric Alarm Alarm Type Smoke alarm, fault alarm, low battery warning Alarm Volume 85dB (A) at 3 m (9.84 ft) Alarm Mode Visual and audible alarm Silencing Function Yes Silence Duration 12 min Infrared Silence Yes Pre-Set Alarm Value 0.2dB/m-0.3dB/m Basic Parameters Indicator Light Alarm, fault and operation indicator LED Instructions Standby: Green indicator flashes once per minute Alarm: Red indicator flashes once per second Fault: Red indicator flashes once per minute Low battery warning: Red indicator flashes once per minute Operating Frequency 868 MHz Maximum Number of Interconnected Units 24pcs Coverage Area When the height of the space is less than 8 m (3.28 ft), the protection area of a device is 20 m2–40 m2