1. Provides 5-6 hours continuous lighting after a fully charging;
2. 3 ways to charge:
a. sun solar, needs 16-20 hours charging;
b. AC/DC adaptor needs 12 hours charging;
c. car cigarette lighter, needs 12 hours charging;
3. Rechargeable batteries is built in;
4. U-shaped energy saving lamp, 7 W, work life is more than 6000 hours;
5. with a switch remote.