Kit includes - 4 digital annunciator, wireless signal receiver, 10 pcs batteries LR1 1.5 V Size N, lockable aluminum case for easy transport and protection control with a CMOS computer chip Scope of 100-120 m annunciators are rubber-coated body waterproof soft buttons annunciator size - 4.5 x 10 x 3 cm button on / off button sensitivity with 3 positions - it adjusts the sensitivity of the tale to avoid parasitic / false / sound indication in bad conditions wind, current, passing through the cord algae touch the fiber of small fish, etc. button volume button for different types of audio tones two LED light display
