Features High Brightness: 6‑25V 900mA buck, high brightness, LED driver with 5000:1 dimming. Maximum Output Power: By changing the RCS resistance, the maximum current can reach 1200mA, the maximum output power is 20W. Switching Frequency: Typical 5% output current accuracy and the switching frequency reaches 1MHz. Brightness Control: Single pin on/off and brightness control by DC voltage or PWM. Inherent Open: Inherent open - circuit LED protection with up to 97% high efficiency. Specification: Item Type:LED Driver Dimming Function:5000:1 Working Voltage:DC6~25V(For 6V 9V 12V 18V 24V 24V LED or Light Strip) Output Current:30~900mA(By changing the resistance of the RCS, the maximum current can reach 1200mA) Maximum Output Power:20W Current Regulation: 1 Through Adjustable Resistance; 2 Through PWM Control Hysteresis Control: No Compensation Size:30 x 15 x 6.3mm / 1.18 x 0.59 x 0.25in   Package List: 2 x LED Driver Board Package List 2 x LED Driver Board