Panic Alarm produces high decibel sound when activated. It can be turned on based on various events like detection of intrusion, opening of a door or pressing of the panic button on the TAG. Parameter Details Power Source 2 AA Alkaline Batteries Operating Temperature 0°C to 45°C Wireless Protocol WiZN’s Glu Maximum Volume 105 dB Dimensions 75 X 75 X 28 mm Weight 125 grams Color White