1) solar panel:   2 W (Life Time: 25 years)
2) Battery:        Sealed Lead-acid Battery (6V, 2.5AH)
                        Life Time: Rechargeable 500 times

3) Light Source: 1 W LED Lighting (life time: 100000 hours)

4) Controller:      Over-charging protection (7V-7.2V),

                        Over-discharging protection (4.7V-5.2V)

5)Accessories:  110/220V transformer included
6) Duration Time: 4-6 hrs with fully charged