A wireless calling alarm system with one main receiver unit and two pendant calling transmitters. There is a Call button and Panic button on each pendant. The main unit receives and recognises who is calling and the urgency using different sound and coloured light signals. A quick reset button on the main unit can cancel the call or alarm. Each transmitter uses 1 x 23A 12V battery (included) and the receiver unit is powered by a 6V adaptor (included) or 4 x AA batteries (not included).