1. Product power: 1W
2. Luminous: 70-80Lumen
3. LED service life: 100000 hours
4. LED quantity: 1pcs
5. Battery: 4*D
6. Irradiation range: 3-5M
7. Use of the environment: -10—40℃
8. Envelop dimensions: 123*123*195mm
9. Product weight: 452.5g
10. Material: ABS
11. Product function: Light perception about 30 seconds initial. Continuous perception about 10-30 seconds。