High Power LED Downli: 5 pcs 1W high power LED, more than 50lm/W, AC 110V/220V wide voltage range, E27 base. High Power LED Downlight Light ... source: 1W,3.0-3.5V/350mA,5cs Optic lens: Optical ... ; Surface of lamp: 50°c to 60°c Humidity range: 0 to 95% non-condensing humidityVoltage requirement: AC185V-240V, 50HZ CRI ...