1. Material: ABS+PC+Metal 2. Lamp beads: flexible yellow and white dual light source COB 3. Color temperature: 2300-7000K 4. Lumen: 20-180LM 4. Charging voltage: 5V/Charging current: 1A/Power: 3W 5. Charging time: about 4 hours/usage time: about 4h-48h 6. Battery: 18650 (1500 mA)