Product explanation: Solar panel type: monocrystalline/ polycrystlline Solar pannel: 4.5v 45ma Solar pannel power: 0.2w Panel size: 70* 70cm Rechargeble battery: 1.2v/ 500mah " AA" size NI-CD Charge electrical current when environment light has 100, 000LUX, charge electrical current> 60ma Light source type: super bright LED Operating time : upto 8 hours Light controller : when Environment light