1. Intelligent sensor, not working during the day, solar energy automatic charging, automatic flashing at night. 2. Turn on the switch to sense the light and automatically switch. When the light is insufficient, it will flash automatically, flashing once every 5 seconds. 3. Light: blue or red 4. Electricity: Solar 5. Size: 5 x 2 x 1.3cm 6. Battery capacity: 80mAh
