* Powered by solar panels, no main power needed
* Compatible with any Chuango alarm panels and sensors
* Weatherproof and stylish design
* Built-in 1pc of 3.7V/1200mAh lithum battery enable 10-day standby
* Full tamper protection
* Piercing 115dB siren with selectable duration
* Volume ajustable (High/Low/Mute)
* Available for red or blue strobe
* ABS+PC+UV plastic cover, IP55