amount tale - 4.5 x 10 x 3 cm digital indicator with waterproof buttons control computer chip CMOS button on / off Sensitivity button - it adjusts the sensitivity of the tale to avoid parasitic / false / sound indication in bad conditions wind, current, passing through the line of algae touch the fiber of small fish, etc. Button for volume a button for different tones of the sound supply 2 pieces battery LR1 1.5 V Size N price for set alarm folding metal peg size - folded - 54 cm, 92 cm stretched two LED light indication For convenience, can be used for sonar and battery, and for a short stay of the reservoir can be used battery 12V-1,2 Ah
