Instructions:
Push the plug out when charging and insert it directly in 5V socket, and charge indicator will be light. Full charging time needs 2 - 3 hours.
While using, press the button for transforming 3 modes in turns.
The flashlight can be lighted continuously for about 12 hours at low brightness, for 2 - 3 hours at high brightness.
Attentions:
When the light is dim, please charge it immediately (Please keep charging once every two months). Otherwise it will affect the life seriously.
Do not use it when charging. Otherwise it would burn the electric elements.

Emitters: Cree Q5
Emitters Quantity: 1 x Cree Q5
Lumens Range: 200-500Lumens
Power: 5W
Feature: Lanyard,Lightweight
Function: Camping,Exploring,Hiking,Night Riding,Seeking Survival
Switch Location: Middle
Mode: 3 (Low - High - Strobe)
Power Source: AC Charger
Battery Type: No batteries needed
Battery Quantity: 0
Zooming Function: Yes
Rechargeable: Yes
LED Lifespan: 100000H
Working Voltage: 5V
Lens: Resin Convex Lens
Beam Distance: 400-500m
Body Material: Aluminium Alloy
Available Light Color: White
0.075
Package weight: 0.102 kg
Package size (L x W x H): 12.00 x 2.80 x 2.80 cm / 4.72 x 1.1 x 1.1 inches
Package Contents: 1 x USB Rechargeable LED Flashlight