Push button variable LED colour â? Red, Blue, Green, White or Purple. Direct screw thread connection for Nash Bobbins and Slap Heads.Supplied with rubber compression washer for perfect alignment on buzzer bars. Supplied with rubberised protective PVC case. Powered by 1 x CR2 battery (not included). This item is in the category "Sporting Goods\Fishing\Anglers' Equipment\Bite Alarms".angling" and is located in this country: GB. This item can be shipped to United Kingdom.