The pack consists of: Videos - 1 outdoor wireless siren 118dB 30/100m 433.92MHz Filmography - 1 charger 230/15V 20VA - 1 rechargeable battery 1.2AH 6Vdc wireless siren is complete and ready to work. JA63A siren is intended for external use. It is powered by a rechargeable battery and an area at the back of the device adapter. It has a powerful as well as a flashing light alarm. In addition it has a weapons disarmament and sound system. The siren is in regular status updates to test the proper functioning of the overall system. It comprises an interference detector for detecting any attempt to creep of the siren. It can only install one JA63A on control panels (ref. JA60K) or (ref. JA65K + ref. JA65R).