... lamp 3W/12V*2PCS4)Wire for connecting solar lamp and system3 meters wires with lamp socket*2PCS2. System Specifications Input voltage 15-25V ... panel (G.W) 2.2kgs 2)Body Size for system box 220*130*170mmWeight for system box(G.w) 5.22kgs Total G. W ... (12V), camera, mobile phone ,MP3,MP4,MP5,GPS,PDA,video and so on. 20w solar power supply system in solar energy ...