... lifetime & working hoursFeature:1, Aotomatic turn on/off by light sensor: on at dusk, off at daytimeRechargeable ... automatically; if it is used indoor, after recharged by the sun light, turn on the switch, it ... to the electricity: Being accepting the sun light by the solar panel, the electricity is stored in ... , the item cased on the bulb, the color and number of the LED, the rated voltagelow voltage, ...