[Specifications]Battery disconnect switch rated current: 240A, rated voltage: 12V, standby current: 3mA, instantaneous current: 500A. [Magnetic Latching Function]This kill switch for car uses a new type of relay that controls circuit disconnection by magnetic principle, with a standby current of 3mA, which is more energy-saving. [Intelligent Led Voltage Display]The LED voltage display detects the battery voltage at any time, if the voltage is lower than 11.8V, the remote kill switch will automatically cut off the power supply after 120s to save electricity. If the voltage is higher than 13.2V, the remote control will be disabled to prevent accidental action to turn off the power while driving, and the power supply can only be controlled by the button on the switch. [Easy Installation]The power shut off switch uses a negative connection to stable performance. Please remember to turn off the power before installation. [Protect the Battery]Using this wireless car battery kill switch can avoid hidden additional power consumption due to long-term parking, aging of electronic equipment, line aging, forgetting to turn off the light, etc. It can effectively protect and prolong the life of car battery. Battery Shut Off Switch Voltage Rating: 12V/24V Current Rating: 240A Instantaneous Current: 500A Standby Current: 0.003A Operating Temperature: -20 to 90 Note: Installation guide not included, we strongly recommend you professional installation. Please check as much as possible to make sure the item is what you need. Colour:Photo Color Material:plastic Package Contents: 1 x Battery disconnect switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.