Soniks new state-of-the-art SKS bite alarms are compact, lightweight and packed with the latest technology to provide the essential features the modern carp angler needs. With normal AAA 1.5V batteries, the slim and compact shape is 100% waterproof and benefits from a matte black soft-touch finish for subtly good looks. Comes complete with a free bivouac lamp that can be paired to automatically match the light color for the alarm that has toned. Available as a 3+1 set plus free bivouac lamp. Powered by 2 x AAA 1.5V batteries (not included). Five volume levels plus silent mode. Four sensitivity settings. Seven tone settings. 100% Waterproof Illuminated scooter with night light mode. Dedicated drop-back LED indicator. Ultra-bright LED. Low battery warning.