Built-in 2000mAh Li-ion battery._x000D_ Multiple charging methods through adapter or power bank or computer._x000D_ Comes with 6 pieces purple mosquito traps light with 360-400m mosquito trap wavelength specially selected._x000D_ Equipped with over-charge, over-discharge, over-current, and load short-circuit protection, etc., to accurately detect the charging voltage to ensure the safety of charging._x000D_ With charging display function, (when one light is on, the power is 25%, when two lights are on, the power is 50%, when three lights are on, the power is 75%, and when four lights are on, the power is 100%)._x000D_ With elegant standing base._x000D_ •Model No.: DP-834_x000D_ •Charging input: 5V 1A_x000D_ •Output working voltage: 3000V _x000D_ •Battery capacity: 18650 3.7V 2000mAh