The video is from E14 IV head Show:

Package Content:
1x MC13 II head
(LED Optional)
1x E14 IV head(LED Optional)
1x 18350&18650 tube (with magnet tail)
1x 1100mAh rechargeable 18350 lithium battery
1x 21700 tube (without magnet tail)
1x 4200mAh rechargeable 21700 lithium battery
1x White filter for E14 IV head
1x Red filter for E14 IV head
1x White soft filter for MC13 II head
1x Red soft filter for MC13 II head
1x Yellow soft filter for MC13 II head
1x Type-C USB Charging Cable
1x Lanyard
2x Spare Waterproof O-rings
1x MC13 II user manual
1x E14 IV user manual

(Standard) E14 IV 4-Light Source Portable Flashlight

Compact and lightweight
Quad emitters! Huge floody beam
Versatile and intuitive UI
Efficient constant current circuit
Good temperature regulation(55°C)
USB-C 18350 battery Included
Compatible with both 18350 and 18650 (Patent design)
Magnetic Tail Cap
White /
Red filter Included 

Specifications

Light output: 4000(Cool White) / 3000(High CRI) / 2800(Neutral White) lumens
Run time: 160 hours
Beam distance: 166m(6500K) / 126m(4000K)
LED Source: 4 x LH351D(Cool/Neutral white) or 4 x NICHIA519A (High CRI)
Battery: 18650 / 18350
Lighting modes: Turbo / High / Medium / Low / Ultra-low2 / Ultra-low1 / Moon / Strobe / SOS
Waterproof: IP67 (1m)
Impact resistance: 1m
Weight: 69g (without battery)
Size: 82 x 28 x 25.9 mm

MC13 ii Feature
● Utilizes 1x SFT40LED with a max output of 2,000 lumens or .SBT90LED,4000 lumens
● Max peak beam intensity of 90,000 cd and max throw of 600 meters
● Working voltage: 2.8V - 4.4V
● Powered by a 18350 high drain li-ion battery while compatible with 18650 battery, to provide a better runtime and higher brightness
● High efficient constant current circuit provides a stable output (Non-PWM)
● With advanced intelligent temperature regulation module, MC13 II regulates its output and adapts to the ambient environment, maintaining optimal performance
● Electronic reverse polarity protection and over discharge protection
● The power indicator under side button indicates remaining battery voltage(±0.1V)
● Lower voltage indicator make the light downshifts to low brightness, and avoid light accidentally turn off in dark night
● User-friendly one button interface:
- One button control all brightness levels
- Three user selectable ECO modes to meet different requirement of lower brightness
- Single click to general mode, friendly adjust 3 different brightness levels to meet daily requirement
- Double click to enter Turbo from any modes (except lock-out mode)
- Triple click to special mode: Strobe/Beacon/SOS
- Memory function stores general mode's brightness level last used
- Electronic lock-out prevents accidental activation
● Constructed from aircraft-grade aluminum alloy
● Premium type-III hard-anodized anti-abrasive finish
● Body color option: Black
● Optical lens with dual-sided scratch resistant coating
● High temperature resistant total internal reflection (TIR) lens
● Utilizes sandblasted 304 stainless steel button for good touch feelings
● Integrated USB Type-C charging port on the head, support max 5V / 2A charging
● Convenient magnet tail-stand capability for hands free use
● Built-in lanyard hole (inner diameter: 0.1" / 2.5 mm)
● IP67 waterproof standard (1 meters under water)
● Impact resistance: 1 meters
● Compact & lightweight, weigh only 3.52oz / 99.8g (without battery)