1、Industrial Grade Master Control Chip: This solar charge controller uses an industrial grade master control chip with complete 3 stage PWM and MPPT charging management. 2、Large LCD Display: This solar controller is equipped with a large LCD display that can clearly show the status and data, and can be easily switched between modes and parameter configurations, which is suitable for domestic, industrial, commercial and other applications. 3、Safe And Reliable: This solar controller has built in overcurrent protection, short circuit protection, open circuit protection, reverse connection protection, and all of them are self recovery type, which do not damage the controller. 4、Dual MOS Anti Backup Circuit: This solar controller adopts dual MOS anti backup circuit, with ultra low heat generation, which will not affect the operation of the device. 5、Excellent ABS Shell: This solar controller is made of excellent ABS material for the shell, which is sturdy and durable, not easy to wear and tear, impact resistant, high ignition point, anti aging and erosion resistant. 1 x Solar Charge Controller1 x Manual  Item Type: Solar Charge Controller Material: ABSSystem Voltage: 12V, 24V Automatic AdaptationRated Discharge Current: 10AMaximum Photovoltaic Voltage: Maximum 23V for 12V Battery; Maximum 46V for 24V BatteryLight Control On Threshold: PV Panel 8V (Light Control On with delay)Light Controlled Off Threshold: PV Panel 8V (Light Controlled Off with delay)USB Output: 2 Way USB Output, 5V, 1A ( Maximum )Standby Current: <10mAOperating Temperature: -35-+60°C