No batteries or bulbs ever with this high-power headlamp!

The high-comfort adjustable headband makes this product ideal for camping trips, emergencies, or anytime you need hands-free lighting.

Recharging with the rotary hand crank for one minute provides 90 minutes of lighting with 1 LED or 30 minutes with 3 LED lights in use.

Size: 7.5cm � 7cm � 6.8cm Net weight: 100g Luminosity: 60000mcd The rotary handle will also act as an emergency charger for a mobile phone. Never again worry about an emergency power shut-off. Charge in less than 3 minutes will get you up to 2-8 minutes of talk time.