... approval or others 5.low price Solar yard light GYT-051Height: 3.2M, galvanized cone-shaped ... mono/poly crystalline silicon,life span=25yearsVoltage: 12v Light source: 5-20w electrodeless lamp,LED and so on, ... automatically open according to the bright degree,pass light and time control,life span=5yearsWorking temperature: - ... 20°c----55°c.Working time: 8-10 hours per day,can continue working 3-5 days ...