SONOFF indoor Zigbee Siren SNZB-09P

[High decibel alarm]:Supports up to 105dB siren volume, the sound can cover the whole floor, enough to deter unauthorized intruders [Ten siren tones]：Built-in 10 siren sound effects, allowing different tones to be assigned to different sensors. This helps you identify where an abnormality has occurred. [Linkage sensor alarm]:It can be linked with sensors such as door magnets, water immersion, and human presence. When the sensor detects abnormalities, it will trigger an alarm in a timely manner [Dual power supply mode]:Supports both Type-C 5V power and lithium battery operation, with a battery life of over 300 days in silent mode. [Red flashing light alarm] The alarm light can be activated to enhance deterrence and make it easier to attract attention, Weight: 0.22707612986 pounds, Manufacturer: SONOFF