UV Lamp for Hair Extentions Packing List 1 x UV lamp 1 x Charging cable 1 x Suspenders 1 x Fixed plate Product Parameter [ Material ] Quartz glass + Aluminum [ Color ] Black [ Battery Capacity ] 5000mA [ Charging Port ] Type-C [ Number of LED Beads ] 6 pcs [ Band ] 395nm [ Rated Power ] 10W [ AC Input ] 110-240V / 50-60HZ [ DC Input ] 5V [ DC Output ] 3.7V About Battery Level The charging duration of the lithium battery is about 3-4 hours, and it can work continuously for about 1.5 hours upon full charge. About Use * Short press the switch, the light will be on for 10 seconds then turn off automatically. Long press the switch for 3 seconds, the light will always be on. * When charging, the red light indicates that it is in the charging state, and when fully charged, the red light turns green or blue. NOTE * When using the UV lamp for the first time, please ensure it is fully charged before usage. * Ultraviolet rays are harmful to human body, soplease don't irradiate human body, especially eyes.