Hand-held microphone with pluggable helix cable. Lockable push-to-talk button and volume control at the microphone. Aux input with level control Jack for external 12V battery operation. Siren, switchable. Carrying handle, shoulder strap, connection cable for motor vehicles. Supplied with batteries. Output power 45WMAX SPL (1W/1m) 124dB Power supply 10 x 1.5V batt. D size ext. 12V DC current /4A Dimensions Ø 350mm x 505mm Weight 3.3kg