• Wind-up 3-LED keychain flashlight.
• No battery required. Just wind it up for 10 seconds and the flashlight will work.
• 1 minute of cranking produces up tp 30 min of light!
• Can store the energy. Wind it up when you've free time and energy will be stored and use later.
• Includes a handy wrist band - keeps it handy while keeping your hands free.
• Mini and light weight, great for emergency.
• Operation: Wind-up as power supply.
• Switch to turn on and off.
• Each display boxed.
Power supply: (wind-up), no battery is required.
Dimensions: 3 1/4" W x 2" H