1. When the solar panel senses a certain amount of light, the light automatically goes out 2. When the light is sensed to decrease to a certain extent, the lamp automatically lights up 3. Anti-Rust Solar Lights with Hooks 4. Only when the light is on [. mode (on) is on], the solar panel absorbs sunlight and stores electricity 5. Sustainable work for 8-12 hours Light source:LED filament warm light Lumen:20LM Solar panel:5V/90MAH monocrystalline silicon Rechargeable battery:3.2V/500mAh lithium battery Working hours:8-12 hours Charging time:6-8 hours IP level:IP44 Color temperature:3000-34000K Colour:Black Material:Stainless steel+aluminum+glass Size:20x19cm Package Contents: 2 * wall lamp 1 * English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.