* 3 yellow LED lights
* Charge with solar energy automatically during the daylight
* Discharge with flash light at night (The light can be switched off.)
* piece of AAA H-Ni rechargeable battery
* The range of visibility: 350M
* Life of the battery: 500 times of charge and discharge
* Life of the solar panel: 5 years
* Charge 8 hours under 100MW/呢 illuminance, and then the LED lights can discharge 30 hours.