LEYSHIZ Emergency Portable Solar Power LED Bulb Lamp 0.8W/5V Solar Panel Applicable for Indoor & Outdoor Lighting, Camp Tent, Fishing Lamp, Garden Light 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) Lamp 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 Lithium Battery Capacity: 750ma/3.7v : Lumens: 150 lumens (equivalent to a 20W light bulb) This has 2 models. We will ship according to our stock. Both has same function just the strap/hook and charging port differs