Color Green + Golden Plug Specifications USB Brand HAPTIME Model YGH515 Material ABS + GP + glass Quantity 1 Piece Power Others0.3W Rated Voltage Others5V V Total Emitters 1 Color BIN OthersYellow Dimmable yes Color Temperature Others2600~2800 Theoretical Lumens 16~18 lumens Actual Lumens 16~18 lumens Certification CE Other Features Built-in 4V/400mAh Li-ion battery: powered by USB 1 hour to become fully charged and 10 hours continuous operation; LED life: >50000 hours; charging: 5V/500~1000mA; the switch is for battery; push the switch to ON to activate blow-off sensor. Packing List 1 x Lamp 1 x English / Chinese manual 1 x USB cable (100cm)