3+1 Kit includes:1 each red, yellow and orange VTSW alarms1 wireless receiver with the following functions:- Memory function which allows you to see which rod was last activated- Individual LEDs match alarms- Wireless with a 200m range- Vibration mode allowing you to set your alarms and receiver on silence for discretion- Silent mode- Internal switches for matching alarms up to receiverSupplied in compact padded carry caseAlarms 9v Receiver 3 x AAABatteries required (not included)