Low power consumption & Good stability Battery kill switch Operating Temperature: -22~194 , standby power consumption: 3mA, rated current: 240A, rated voltage: 12V, power-off threshold: 11.8V0.2V, instantaneous current: 500A. Easy to InstallBattery Cut off switch adopts a negative link method, simple to install and more stable in performance ,Note: Before installation, be sure to turn off the power and conduct ignition test after installation Protecting & Extending Battery Life: Maximize car battery storage and lifespan. Avoid power drain from long-term parking, electronic device usage, or forgetting to turn off lights. Our disconnect switch effectively safeguards and extends battery power Widely usedThis kill switch Suit for most 12V car, boat, rv, trailer, trucks, ATV, UTV, motorcycle, vehicles with displacement less than 4.0; Negative pole: 9-13 mm and 15-17mm, not fit for small pile head vehiclesNote: The size of the switch is 3.3"x2.4"x1.4", before order it, it's best to check and measure your car's battery compartment to see if there is enough space to install it and close the hood properly! Smart Car disconnect Switch 12VWhen battery voltage is below 11.8V, the remote kill switch automatically cuts off power after 120s to save electricity and The off button on the remote control will be disabled on this status ; when the voltage is higher than 13.5V, the remote control will be disabled to prevent accidental action to shut off the power while driving, it can only be controlled by the manual switch.