1. Material: aluminum alloy 2. Bulb: T6 3. Power: 300-500LM 4. Voltage: 4.2 5. Running time: 3-4 hours/Charging time: 5-8 hours 6. Function: strong, medium, weak, explosive flash - SOS 7. Telescopic zoom 8. Battery: 1* 18650 or 3 AAA batteries (excluding batteries) 9. Product size: 125 * 35mm/Product weight: 91.3G 10. Accessories: 2 black lights, battery rack, color box packaging