“* Loud 115dB piezo siren
* High power strobe light (red or blue lens)
* Siren alarming duration and volumn setup by jumper
* Network mode & standalone mode for choice
* Siren alarming Duration: 30secs/2 mins/5 mins, Volume: High/Low/Mute
* Robust weatherproof housing (IP56)
* Tamper protection, power supply: 12V/1000mA
* 3.7V/2200mA rechargeable lithium backup battery for 8 days standby”