(1) No battery, 5 to 6 hours in the sun, you can light for several hours; even without direct sunlight,Rechargeable in indoors with plenty of light, such as windows, balconies, and even fluorescent and incandescent lights, rainy weatherIt can also be used (the charging time varies depending on the light intensity).(2) This product adopts imported high-performance solar panels, which has high efficiency, fast charging and long service life. 4 high brightnessWhite LED, the power consumption is very small; the brightness is larger than the ordinary light bulb, and the spectrum is close to natural light, easy to distinguishRecognize the true color of the object; the life span is over 10,000 hours, and there is almost no need to consider the problem of replacing the light bulb.(3) Engineering plastic casing, light, sturdy and durable.Scope of application(1) The product is equipped with a radio that is a good companion for mountain climbing, camping, hiking and other field activities;(2) At home, it can also be used for reading, repairing, preventing power outages, etc.Solar silicon plate specifications: 1000mAh 5.5V/0.6WCharging time: 8-10hrs (under strong light) 1-2hrs (indoor power supply: 5V/300mA)Power consumption: <0.5WFrequency range of radio: 76MHZ-108MHZ, 88MHZ-108MHZSpeaker rated output power: 0.25WLight source life: >10000hDimensions: 135x62x28mmWeight: 120gStandard accessoriesuser's manual------------------------------------------------ -1Nokia Universal Charging Connector --------------------------------------1Sony Ericsson universal charging connector -----------------------------------------1Motorola Universal Charging Connector (Standard Mini USB Connector)----------------1USB charging cable----------------------------------------------- ---1