Remote On/Off Switch: Remotely turn on/off your Cobra Inverter from anywhere inside your vehicle. You can also monitor and charge your electronic devices with the Fast Charge USB from anywhere inside your vehicle. 7 Color LED Screen: The LED indicator displays battery voltage and current consumption of the power inverter in use so you can stay safe while powering your smartphones, laptops, entertainment devices, power tools, kitchen, and bath appliances. 4 Mounting Options: First option is flush mounting for permanent installation. Second, keyhole mount for on wall mounting. Third, cup holder mounting for convenience while driving. Fourth, clip mount for easy installation to back seat. Compatibility: This remote controller is compatible with the following Cobra Power Inverter Models: CPI1500W, CPI2500W, CPI3000W, CPI400PSW and CPI500W. Controller dimensions: 3.35 in. L x 3.35 in. W x 1.46 in. H