Features:Thisis a under-voltage switch module used to turn off the power of load in the event of the voltage dropping below a set value.When the battery voltage increases to a set value, the module will automatically turn on load again.Designed with a LED indicator to show if load is cut off or turned on.Both turn-off and turn-on voltage value can be adjusted by simply adjusting potentiometer.This protection board will help you to protect battery from over-discharging and prolong battery life.Specifications:Suitable Battery Voltage: 12VVoltage Error: 0.1VLoad Current: 10ASize: Approx. 5 x 3 x 1.7cm/2.0 x 1.2 x 0.7inWeight: 21g(approx.)Package Includes:1 x Protection BoardNote:Please note that this product is an undervoltage protection board and has no charging function..