NGT VS 3pc Wireless Alarms – Adjustable Volume and Tone with RecieverA 3pc alarm and transmitter wireless bite alarm set with upto 200m range. Now supplied in a modern, lightweighy storage / presentaion box. Features include;3 Alarms with red, green and blue LED’s6 screw in snag bars (3 short and 3 long)Wireless range of up to 200mVariable volumeVariable toneRolling Code System (prevents interference between sets)WaterproofTransmitter requires – 4 x AAA batteries (not included)Alarms require – LRV08 batteries (not included)