There are 2 problems with a flashlight. The Bulbs and Batteries. LEDs last 100,000 hours so you would not have to worry about the bulbs. No batteries, no power, no Problem! Wind the radio for 1 minute and the flashlight can light up continuously for more than 10 minutes. When fully charged, the flashlight can work continuously for 6-8 hours. This will also charge your cellphone too.

• Bulb Type - 11,000 to 15,000 MCD LED
• Life time - 100,000 Hours
• Frequency Radio - 88 MHZ - 108 MHZ
• Battery Life - Approximately 10 Hours on 3 D batteries