32pcs LED used, with compass, 4 1.2V/1800MA rechargeable batteries can be built. also be battery.

Charging three ways :
1.solar panels rechargeable (2W);
2.12V DC car full;
3.220V AC transformers. (matching three ways).

Two lighting modes:intense model/low light mode.
Transformer rechargeable battery charging time:8 hours.
solar panels charge:15-20 hours.
Dec. intense mode:continuous working hours hours low light mode 13/8 hours.