The KBI Compact is a super tough alarm in a small, hard-wearing body. Featuring a sensitive inner roller wheel and a bright LED, it’s a fantastic choice for all forms of specimen angling. The speaker features adjustable volume, while the LED boasts a 10 second alert feature. Not remote compatible FEATURES Powered by a 23A battery (not included) Adjustable volume 5mm LED Compact design 20 second latching LED Adjustable locking nut and compression washer Water guarded speaker High output speaker Sensitive bite indication 39mm x 85mm x 25mm alarm size