ITEM NAME:2W 9V CV/CC Switching Power Module Input 100-240VAC / 140-340VDC Buck Conve O6B8 2W 9V CV/CC Switching Power Module Input 100-240VAC / 140-340VDC Buck Conve O6B8 100% Brand New & High Quality. Power Supply Characteristics:Wide input voltage:100-240VAC / 140-340VDC. High efficiency, ultra-small size. Constant voltage / constant current output, voltage and current accuracy of +/-5%. Low standby power:Less than 75mW With output over-current,short circuit protection PCB single in-line installation Input-output isolation:1000VAC Power input characteristics:Input voltage range:100-240VAC / 140-340VDC Input frequency range:DC or 47Hz-63Hz AC Standby power consumption:Less than 75mW Power output characteristics:Output constant voltage accuracy:+/-5% Output constant current accuracy:+/-5% Linear regulation:+/-1.5% Load regulation:+/-2.5% Output:with short circuit and over-current protection Power general characteristics:Power supply with CV / CC function, with an accuracy of+/-5% CV (constant voltage) mode:output voltageâ€â€Ã¢â‚¬â€ 9V+/-5% Rated load capacityâ€â€Ã¢â‚¬â€200mA peak load capacityâ€â€Ã¢â‚¬â€260mA short-term peak load capacityâ€â€Ã¢â‚¬â€280mA. Work at peak load (260mA), you must first turn on the power, then with load. CC (constant current) mode:output currentâ€â€Ã¢â‚¬â€280mA+/-5% output voltageâ€â€Ã¢â‚¬â€9V(Max),7.5V(Min), do not recommend less than 8V. material:CCL colour:green Package including:1 x Power Module Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..CC (constant current) mode:output currentâ€â€Ã¢â‚¬â€280mA+/-5%. Output constant current accuracy:+/-5%. Input frequency range:DC or 47Hz-63Hz AC. With output over-current,short circuit protection. Output:with short circuit and over-current protection.