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3x1W led drvier for bulb, build inside 300mA constant current non waterproof

1, 300mA constant current driver 2, 90-265v input, 3-10v output 3, 3W non waterproof 4, 100% full load aged 5, lower cost

4-5x1W led drvier for bulb, build inside 300mA constant current non waterproof

1, 300mA constant current driver 2, 90-265v input, 9-16v output 3, 4-5W bare board 4, 100% full load aged 5, lower cos