ONVIA™ Wireless Outdoor Siren Plus
* Loud 115dB piezo siren
* High power red strobe light
* Siren alarming duration and volumn setup by jumper
* Network mode & standalone mode for choice
* Siren alarming duration : 30s / 2min / 5min
* Volumn : High / Low / Mute
* Tamper protection, Power supply : 12V / 1000mA
* 3.7V / 2200mA rechargeable lithium backup battery for 8 days standby
