JRC Radar CX bite alarm set.
1 x red, 1 x green, 1 x orange, 1 x 4 alarm receiver.  Aditional alarms available as seporate purchase.
 
.  Protective hard case 
.  Designed, engineered & tested in the UK
.  Travelling coloured LEDs with 20 second latching
.  Step-less adjustable volume, tone, and sensitivity
.  Magneto-dynamic speaker with digital amplifier for superior sound quality
.  High impact ABS housing
.  150m+ range
.  Nightlight function
.  Weather proof, double sealed electronics
.  Long battery life
.  Rubber inserts to keep the rod from sliding
.  Low battery warning
.  Power out socket
.  Rolling code ID function to prevent interference by other alarms on the same lake