... home, office, street,elevator 2. 5W LED Lamp 3.4V, 4000mA Lithium battery solar infared security light with adjustable motion sensor, Solar ... No: PETC-L05 Specifications:Solar Panel:2.8WpStorage battery:4V,4Ah polymer lithium batteryApplicable lighting source: 5W LED LampsControl System: micro ... open area up to 6m/20Feet.(area=6*6**3.14=113Sqm)Solar Panel2Wp15~20yearsBattery4V/4Ah Lead acid battery2~ ...