10 pcs DC 3.3/3.7/5V Led Driver 30-1500ma Constant Current Adjustable Module Pwm Control Board

Description

Chip temperature regulation. Over LED current protection. Range of working temperature. Working voltage: DC 2.8-6V (for 3V 3.3V 3.7V 4.5V 5V 6V LED driver). Current regulation: 1 via adjustable resistor; 2 via PWM signal control. Output current: 30-1500MA, High output power: 9W. After tested: All items are checked and tested carefully by our technical department.