Wisualarm DHI-HY-SA40A 10-Year Standalone Smoke Alarm Sealed Battery
Standalone Smoke Alarm (hereinafter referred to as the device) is designed to continuously monitor smoke concentration. Adopting new split-spectrum sensor and a built-in high-volume buzzer, it responds quickly and becomes highly sensitive with stable performance and low false alarm. Once the surrounding smoke concentration reaches the alarm value, it will promptly send out visual and audible alarm signal to remind the user to take immediate measures.
- 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
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