Details:1. Material: stainless steel + PP plastic + ABS2. Light source: 1 LED light bead3. Charging method: solar charging 4. Charging time: >6 hours ( affected by different seasons ); Length of light: >8 hours5. Battery: Ni-MH AAA 1.2V 300mAh6. Solar panel: single crystal 0.5W7. Waterproof grade: IP658. Rated power: 0.6W9. Open mode: hand control + light control