XD-93A 3W LED driver

Model: XD-93A 3W LED driver supports PWM dimming IN (7-30V) OUT 700mAInstructions for use:IN +: Power supply positive IN-: negative power supply.LED +: connected to LED anode LED-:connected to LED cathode PWM: dimming control signal (2.8V-6V open)Limit frequency PWM signal: 20HZ-20KHZRated Suggestions: about 1KHZ