Specifications1.Solar panel: 5V 90mA 128*31mm (Irradiance: 100mw/cm 2)2.Inner battery:3.7V 1500mAh Polymer-Li3.Radio frequency:FM76-108MHz4.Speaker power: 0.5W5.LED brightness:2000-2500mcd6.LED life: >10000H7.Output:DC5.0V 800mA8.Input:DC5.0V 500mA9.Product weight:370g10.Product size:295*100mQuantity: 1 Lots (10 Piece / lot) Package Size: 30.0 * 11.0 * 11.0 ( cm )Gross Weight/Package: 6.0 ( kg )Operation Instruction1.Charging method1) By solar(18 hours full charged with strong sunlight)Put the solar panel towards sunlight， then the unit is under charging.2) By USB cable(5 hours full charged)First connect the cable with the NOKIA 8210 plug， then one end to a computer， another end to the USB port on this term.3) By crank dynamo(5 hours full charged)Pull out the crank handle and start cranking， keep 2 revolutions per second， both clockwise and counterclockwise are workable.2.Using method1). Charge mobile phones and digital products:First connect the cable with right plug， then one end to the USB port on this item， another end to your mobile phones/digital products.2). Radio:Turn the radio switch to ?ON? position to start radio， and the indicator of ?Radio? will be lighting. The original frequency of radio is 108MHz. Press button to scan broadcasting station. Press ?VOL +?， ?VOL-? to adjust the volume. Turn the radio switch to ?OFF? position to shut down radio.3). Light:Switch to"on" ， there LED will be light; Switch to ?off ?， light will be off.3.Reading lampOpen the reading lamp， turn on switch and adjust the lightness of reading lamp by clockwise (brighter) or counterclockwise (darker).4.Siren & blinkSwitch to ?on ?， siren & blink will be on， Switch to ?off ?， siren & blink will be off.5.Battery Capacity IndicatorTurn on the light to activate the indicator， which has four levels:(1) Level 1: showing the capacity is 25% left.(2) Level 2: showing the capacity is 50% left.(3) Level 3: showing the capacity is 75% left.(4) Level 4: showing the capacity is 100% full.ATTENTION1). This item is not intended for children under age 8.2). Do not use this item in extreme temperatures， dusty or moist conditions.3). Charge this item if the indicator shows the battery capacity 25% left.4). Do not use erodent liquid to clean this item， please use neutral liquid.REMARK: Please turn off all functions if this item is not being used， to avoid any damage of built-in battery.