SKU Nitecore EDC31 LED NiteLab UHi 20 MAX Brightness LUMIN SHIELD™ (Floodlight): 3500 lumens SEARCH (Spotlight): 1500 lumens High: 1100 lumens Mid: 300 lumens Low: 70 lumens Ultralow: 5 lumens Runtime High: 4 hours Mid: 5 hours Low: 24 hours Ultralow: 57 hours Beam distance LUMIN SHIELD™ (Floodlight): 330m SEARCH (Spotlight): 380m High: 200m Mid: 173m Low: 85m Ultralow: 20m Beam Intensity LUMIN SHIELD™ (Floodlight): 28,800 cd SEARCH (Spotlight): 35,630 cd High: 10,098 cd Mid: 7,489 cd Low: 1,826 cd Ultralow: 109 cd Power Supply Built-in 3,800mAh 18650 Li-ion Battery Waterproof Level IP68, 2m impact resistance Size Length: 113.2mm Head: Ø23mm Weight 100g Highlights Utilizes a 9-core UHI 20 MAX LED with a max output of 3,500 lumens Peak beam intensity of 35,630cd and max throw of 380 meters 4 brightness levels to cycle through: SEARCH and LUMIN SHIELDTM available Powered by a built-in 3,800mAh Li-ion battery to provide a runtime up to 57 hours Lockout Switch (Rapid LockTMM) available for Half Lockout Mode and Full Lockout Mode A micro-textured reflector offers long range and wide angle lighting Power indicators indicate the remaining battery power Intelligent Li-ion battery charging circuit with a USB-C charging port Advanced Power Cut-Off (APC) technology for an ultralow standby power consumption Highly efficient constant current circuit provides a stable output Incorporated Advanced Temperature Regulation (ATR) module (Patent No. ZL201510534543.6) Optical lenses with double-sided scratch resistant coating Constructed from aluminum alloy with HA III military gradehard-anodized finish Waterproof and dustproof rating in accordance with IP68 (2 meters submersible) Impact resistant to 2 meters Manual