Material:ABS+Silica Gel
Size:12.5cm(L)*11.7cm(W)*16.8cm(H)
1cm≈0.39"(inch)

Rated voltage: 5V
Battery capacity: 1800mAh
Power Supply:USB Charging
Charging Time: 4~5 Hours
Use time:Bright :5~7day  dark light：8~15day