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Đầu báo khói tại chỗ Dahua DHI-HY-SA40A
- Đầu báo khói tại chỗ Dahua HY-SA40A
Standalone Smoke Alarm
> Split-spectrum sensor technology > Test and silence features in one single button, silenced by a working infrared remote controller > 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 > Sealed lithium battery, easy installation