1. The solar panels are made of plastic and polysilicon with reasonable structural design which is more convenient and practical. 2. USB charging and solar power with USB charging support input and output suitable for travel self-driving tour etc. It can be used as a mobile power source for emergency mobile phone charging. 3. With a handle it can be hung anywhere and easy to operate. 4. Scope of application: suitable for outdoor and emergency use camping hiking car repair etc. Product material: ABS Light source used: 7LED+COB Jack Type: Micro USB Charging time: about 2-3 hours Discharge time: about 5-8 hours Use battery: 4.5V Ni-MH battery Input current: 5V-2a Battery capacity: 2400mAh Product size: 160x60x180mm Product net weight: 337g (including battery) Drop height: 1 meter Waterproof grade: IP44 Color box size: 170X70X195mm Function description: Light touch the switch the front light is on--the side light is on--the power is turned off Charging method: solar charging USB charging Package includes: 1 work light 1 USB charging cable