LED BYTECH Dental Curing Light (LED-B) Good Condition Tested functional FEATURES: Cordless. Battery can be replaced adjustable time delay: 3s 5s 10s 15s 20s 25s 30s 35s 40s High-capacity lithium battery. Low power consumption. Constant light intensity . Specifications : Power supply: 100V-240V 50Hz / 60Hz Net weight: 370g Light output: 1000mW / c-1400 mW / c Dimensions: 25MM x 252MM Power consumption: ≤ 8W Environment Temperature: 5° to 40 Relative humidity: ≤ 80% Wavelength: 420 nm to 480 nm Light source: blue light Battery voltage and capacity: 3.7V / 2000mAh Power supply: rechargeable lithium battery Battery model: CMICR18650F Battery voltage and capacity: 3.7V / 2000mAh Adapter input: 100V to 240V - 50Hz / 60Hz Built-in adapter fuse: 1A / 250V