Color: Black and WhiteShape: RoundMaterial: ABS+PCSwitch: Tail-cap ON/OFF Battery: Built-in battery With German solar Panels, fast reaction, fast chargingCOB chip inside, Long life, no flicker, high brightnessWith a lanyard,easy to carry Can be charged by solar energy or DC cable Can be use as a small emergency power bank for most of mobile phonesWith fireproof Shell, fireproof, good corrosion, good heat dissipationHigh performance, strong practicability, durable The solar panel is fixed to the roof or sunny place, the line into the house, and put the plug in the socket interface for charging (also can charge the battery by 5-8V charger) power bank to mobile phone and other digital products chargeLamp using high-performance lithium battery, the service life is 6-8 times of lead-acid battery Applicable to family, office, camping, outdoor activities, mainly in lighting and mobile phone and other digital products charge