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Ships within 48 hours · Estimated delivery Aug 6 - Aug 11
55 mm × 36 mm × 14
AC27-I720L
Contact discharge: 6kV
Optical Port Speed
combination unlock
DAHUA HY-SA21A-W2(868) Wireless Smoke Alarm Buy DH ARK50C 55 mm × 36 mmHY SA21A W2(868) Wireless 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 Product Data Working Principle Collection Type Smoke Sampling Period 10 s Sensor Type Photoelectric Alarm Alarm Type Smoke alarm, fault alarm, low battery warning Alarm
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