Standard USB charging port, charging time 3-4 hours
High capacity built-in rechargeable lithium battery(2200Mah), long illumination for one whole night (12hours).
Energy saving 0.4W, Safe low voltage 5V
The charging status indicator will turn red to green after full charged.
Four modes are available: SOS, slow flash, light on, light off. It can create different ambience in the camping life, it also can used as SOS signal strip in the SOS mode.