BuIb: 20W COB LED
Battery: 4400mAh 18650 battery       
Lighting Modes: L1: 100% - 50% - L2；100% - 50% ；
L1 & L2: 100%-50%
Run time: L1 & L2: 5H  L1 or L2: 10H
Charging Time: 4H 
Lumen: L1 high: 1000lm ；L1 low: 500lm；l2 high: 700lm ；
L2low:350lm ;L1 & L2 high: 1500lm ;L1 & L2 low: 750lm
Input: 5V  2A Type-C USB input & output
Output: 5V 2A
Extended size: 68.5*10*505mm
Close size: 79*102*349mm        
Weight: 400g