Come shopping! ! Delivery from Poland 24 hours, gross prices (VAT 23%)! Don't know what to choose? Contact details and the most important information at the very bottom - expand 'About the seller' BATTERY PROTECTION AGAINST OVER-DISCHARGING 8-36V 10AC Digital controller of the voltage threshold below which the battery is disconnected. Connect the battery to the IN input and the load to the OUT output Use the buttons to adjust the activation threshold and voltage hysteresis , time until the protection is activated and correct the voltmeter readings. Voltage setting: use the left button (+) to click twice and then set the desired threshold with both buttons (+/-) Hysteresis setting: right button (+) to click twice and then set desired hysteresis with both (+/-) buttonsDisconnection delay setting: hold the right button and then set the desired time with both (+/-) buttonsCalibration of the voltage reading: hold the left button and then correct the indication with both (+/-) buttonsReset: hold both keys simultaneouslyParameters:Input voltage: 8-36VContact voltage / current: max. 20A (10A continuous)Dimensions: 57 x 42 x 19 mm