1. Right click on the show time,Under the right according to the two-display the date 2 .Left click on the-display light and strong light time(maximum 2-3.5hours) 3. Under the left key press two-show weak light and weak light time(maximum 9 hours)Left by the three--shut off the power 4. Key about long press shows SOS distress signal at the same time, right click adjustable time dete long right click right click to time flash adjustment,adjust the next,then right click to flashing adjustment and so on. 5. Long press the left key show flash flash. 6. Emitters Quantity: 1 7. Lumens Range: 200-500Lumens 8. Color Temperature: 6000-6500K 9. Feature: Blinking,Charging indicator,Instant Strobe,Rechargeable 10. Function:Backpacking,Bike,Camping,EDC,Emergency,Exploring,Night Riding,Walking,Work 11. Power Source: USB 12. Battery Type: Li-ion 13. Battery Quantity: Built-in lithium battery (included) 14. Battery Included or Not: Yes 15. Rechargeable: Yes 16. LED Lifespan: 100000 hours 17. Beam Distance: 0-50m 18. Body Material: ABS 19. Available Light Color: Cold White 20. Package Contents: 1 x Running light
