Specification: Brand Niwalker Model MM6SLED beam 6x XPL HD6x Nichia Lumens XPL HD:5500lm (High Lumen) Nichia:3500lm (High CRI) Modes 6 modes Waterproof IPX7 Impact resistant 2m Version Longer Version Shorter Version (Different tail) Size Longer: 135x 50 x 33mm Shorter: 115x 50 x 32mm Weight Longer:208g Shorter:165g Modes Detail:1. XPL HD LED● Battery options: 1pc high drain 21700 rechargeable Li-ion battery● Output Runtime:o Turbo (5500 lumens/1.2hrs), o High 2 (1000 lumens), o High 1 (560 lumens), o Medium (230 lumens)o Low (30 lumens), o Moonlight (0.5lumens/25days).● Waterproof to IPX7 Standard● Impact resistant:2 meters● Dimensions:135mm (length)x 50mmx 33mm● Weight:155g (without battery).2. Nichia High CRI LED● Battery options: 1pc high drain 21700 rechargeable Li-ion battery● Output Runtime:o Turbo (3500 lumens/2hrs), o High 2 (600 lumens), o High 1 (350 lumens), o Medium (150 lumens)o Low (20 lumens), o Moonlight (0.5lumens/30days).● Waterproof to IPX7 Standard● Impact resistant:2 meters● Dimensions:115mm (length)x 50mmx 32mm● Weight:165g (without battery). Operation● Click mian switch to change five different brightness (0.5 lumen 30 lumen 230 lumen 560 lumen 1000lumen), five different brightness are separated by OFF.● Double click the mian switch for interchanging brightness modes & flashl mode, into the corresponding memory funciton mode.● Then click switch to change different flash modes: Warning flash, Variable frequency flash, SOS, Cycling mode, Signal flash, Pulse, Traffic light flash, Night mode.● Triple click mian switc