Features 1、This is an under‑voltage switch module, used to turn off the load power when the voltage drops below the set value 2、When the battery voltage increases to the set value, the module will automatically turn on the load again 3、Designed with LED indicator to show whether the load has been cut or opened, which is convenient for operation 4、The turn‑off and turn‑on voltage values can be adjusted by simply adjusting the potentiometer 5、This protection board will help you prevent battery over‑discharge and extend battery life Specification Item Type: Undervoltage Switch Module Model: X802 Applicable Battery: Dedicated for 12V battery Output Type: Output switch Voltage Error: ±0.1V Product Load: 10A Product Size: Approx. 60 x 30 x 18mm / 2.4 x 1.2 x 0.7in(length x width x height) Installation Size: Approx. 42mm / 1.7in (2 holes x 3mm / 0.1in) Package List 1 x Module