4 x TMC Wireless and Waterproof bite alarms & Receiver, Vibrate, tone, sensitivity, 20 second Latching LED, dropbacks, Rolling LED's, Over 150 metre range. Supplied with 4 x quick release connectors 
 
 
Set of 4 Wireless Bite Alarms + Receiver + Batteries + Protective zip up case. 2.5mm Jack Sockets 
Wireless with an operating range of over 150 metres. Rolling LED's, Dropback indication 
Each alarm has a different colour LED which corresponds with the receiver 
20 second latch light. Low power consumption. Industry standard threads with 0 Ring 
Receiver has Volume / Vibration, Sensitivity and Tone Turn Button Controls