Working time: When the temperature is 25℃, the first gear is about 6H, the second gear is about 10 hours
Charging time: When the temperature is 25℃ and the solar radiation is equal to 1000W/㎡, about 6 hours
Function: Automatically charge during the day and automatically turn on the light at night: 1st level is low brightness, 2nd level is high brightness, 3rd level off cycle (highlighting in the first 10 minutes can automatically save energy)