Product Information\n \nThis alarm presentation set contains three alarms and a wireless bite alarm receiver, plus three bright green bite indicators. The KBI alarms are compact, rugged and reliable. Featuring a sensitive roller wheel and a bright LED, it\u2019s a fantastic choice for all forms of specimen angling. The speaker features adjustable volume, while the LED boasts a 10 second alert feature. The receiver boasts a long wireless range, on/off switch and volume control. When used in conjunction with the alarm heads, it\u2019s a top-quality combination that\u2019s not going to let you down.\n \n\n \nKey features:\n \n\n \nIncludes 3 x bright green bite indicators\n \nAdjustable volume\n \nVibrating function on receiver\n \n5mm LED\n \nCompact design\n \n10 second latching LED\n \nAdjustable locking nut and compression washer\n \nWater guarded speaker\n \nHigh output speaker\n \nSensitive bite indication\n \nBattery powered by a 9V battery (not included)\n \nReceiver powered by s