1、PROFESSIONAL DESIGN Adopts system voltage level automatic recognition, it supports intelligent PWM charging method, and can be used for multiple purposes. 2、DUAL USB PORTS Support dual USB port output, its settings are more comprehensive, in line with the needs of various electronic products. 3、DOUBLE KEY DESIGN Supports two button operation, its operation is simpler and easier to learn, and it is easy to adjust parameters. 4、DIGITAL DISPLAY DESIGN Equipped with a large display, it has more detailed data, including digital display, voltage, current, load identification, battery power identification, charging identification and so on. 5、ADEQUATE PROTECTION Safe and reliable, it supports reverse battery discharge, battery undervoltage, battery reverse connection, overload, and short circuit protection. 1 x Solar Charge Controller1 x English Manual Item Type: Solar Charge ControllerProduct Size: Approx. 167x90x35mm / 6.6x 3.5x 1.4inWeight: Approx. 285g / 10.1ozMaterial: ABSCharging Mode: PWMWorking Temperature: -35℃~+60℃Waterproof Level: IP32Support Battery Type: Lead Acid BatteryFeature: Without Power Storage Function