Features Single pin on/off and brightness control using DC voltage or PWM. Inherent open‑circuit LED protection, typical output current accuracy is 5%. High efficiency (up to 97%), high‑end current detection. Single‑pin on/off and use of DC voltage or PWM, frequency brightness control up to 1MHz switching speed. Output current, 20‑900MA, by changing RCS resistance, the maximum current can reach 1200MA. Specification: Condition: 100% Brand New Item Type: PWM Dimmer ControllerMaterial: Plastic High Brightness 6-25V 900mA LED Driver with 5000:1: dimming Working Voltage: DC 6-25V (Perfectly suitable for 6V 9V 12V 18V 24V LED driver) Output Current: 20-900MA; By changing RCS resistance, the maximum current can reach 1200MA. Maximum Output Power: 20W Current Adjustment: 1 through the handle, 2 through the PWM control Single Pin On/Off and Use of DC Voltage or PWM Frequency Brightness Control Up to 1MHz Switching Speed Typical Output Current Accuracy 5% Inherent Open LED Protection High Efficiency (Up to 97%) High-End Current Detection Hysteresis Control: No Compensation Adjustable Constant Current LED Package List:5 x PWM Dimmer Controller Package List 5 x PWM Dimmer Controller