This controller with automatic lighting control function System Voltage: 12V AUTO Maximum Panel current: 10A Over-discharge cutoff voltage: 11.1 V Operating Temperature: -35℃ to +55℃ Control mode: PWM charge mode Weight: about 200g LED Display Overloading protection Short circuit protection Reverse current protection The temperture compensation Prevent the battery from over-charging/ over-discharging Note: This controller is no light control when the control function and timing functions, this item only with overcharge, over discharge, short circuit protection households controller Package Included: 1 x Solar Charge Controller 1 x User Manual