This bite alarm set includes 3 bite alarms with motion sensor and a radio receiver. The housed in matte black housing of the bite alarm are splash-proof and can be fixed by means of variably adjustable retaining rubber securely on the rod. Both bite indicators and receivers have pitch and volume controls in addition to ON / OFF. Range: 100 m under optimal conditions. For the operation of the bite alarms 3 LR44 batteries are needed. The receiver accepts 3 x AAA batteries. Batteries not included.