Description: Plastic and electric component: solar radio is made of plastic and electric component, which is durable and wear-resistant. Features: The solar radio is equipped with LED lights for outdoor use. Function: The solar radio is equipped with an emergency alarm to prevent loss. External for amplifier: The solar radio is equipped with an external loudspeaker, which is convenient for the use of the power for amplifier. Light weight: the solar radio is light, easy to carry and easy to go out. Specification: Type: solar radio Quantity: 1pc Material: plastic + electric component Color: green/ white Light source: 1* led bead Power supply: solar energy + crank powering + electric recharging (DC 5V for micro usb) Alarm function: supporting Battery: 3* AAA batteries (not included) + built-in 500mah battery Frequency: Am- 520-1710khz Fm- 76-108mhz or 87-108mhz Siren sound: 90db Solar panel:5.5v 35-40amh Solar charging time: 15-25 hours Electric charging time: 4-6 hours Crank charging: 120-140 turns each minutes Size:Approx. 15.7*9*5.5cm/ 6.17*3.54*2.16inch(L*W*H) Net weight:279g/ 9.84oz</span> Note: </strong>Please charge the solar radio by crank for 120-200 turns, keeping the built-in battery in good situation for next time usage. During charging process, it should turn on the solar radios all functions, and the phone or digital device should be powered off. For long time no using situation, the AAA batteries should be get out. &nbsp; <strong> Package Includes: 1 Piece Solar Radio.