Feature:
- LED option1: 1* LUMINUS SBT90 GEN2 LED
Max. 5,800 lumens output,Max beam intensity of 218,556cd and Max. 935 meters beam distance
- LED option2: 1* OSRAM GREEN LED
Max. 3,000 lumens output,Max beam intensity of 525,625cd and Max. 1,450 meters beam distance
- New optical grade PMMA TIR lens provides the higher quality and quantity of light in a soft and balanced beam
- Toughened ultra-clear glass lens with anti-reflective coating
- Power by 3x 18650 rechargeable li-ion batteries (Excluded)
- Working voltage: 8.7V - 12.6V
- High efficiency constant circuit provides stable output (Non-PWM)
- With advanced intelligent temperature regulation module, MK37 regulates its output and adapts to the ambient environment, maintaining optimal performance
- Electronic reverse polarity protection and over-discharge protection
- Integrated power indicator in side switch indicates remaining battery power
- User-friendly Interface, easy & fast one handed operation
- One button control all brightness levels and functions
- Lockout mode prevents accidental activation
- Five user selectable moonlight mode(0.1 - 2 lm) to meet different requirement
- Intelligent memory function stores the brightness mode & mode cycle last used
- Constructed from aircraft-grade aluminum alloy
- Premium type-III hard-anodized anti-abrasive finish
- Body oxidation color option: Black or Sand
- Premium cooling fins Design
- MK37 can be directly mounted to a tripod, turning it into a camp light or a fixed supplementary light
- Diamond-pattern knurling provide a better gripping surface
- Immersion gold and gold plated connector to ensure an effective conductivity
- Built-in lanyard hole (inner diameter: 0.138in / 3.5mm)
- Convenient tail-stand capacbility
- IPX-8 waterproof standard (2 meters under water)
- Compact & lightweight, weigh only 10.51oz / 298g
- Size: 2.0 inch /52.2mm (head diameter) x 1.85inch /47mm (body diameter) x 5.1 inch / 128.57mm length
- Accessory: Holster *1, Lanyard *1, Waterproof o-ring *1, Manual *1, 3/8" to 1/4" Tripod Thread Adapter *1


Output/runtime/throw distance (OSRAM GREEN LED)
Moonlight 0.1 lumens 70 hours
Low 60 lumens 28 hours 133 meters
Mid1 220 lumens 9 hours 350 meters
Mid2 550 lumens 5 hours 55 minutes 566 meters
High 1,200 lumens 2 hours 30 minutes 820 meters
Turbo 3,000 lumens 1 hours 25 minutes 1,450 meters
Strobe 3,000 lumens -
Peak beam intensity: 525,625 cd
Maximum beam distance: 1,450 meters
Impact resistance: 1 meters
Waterproof standard: IPX-8,2M