The Nitecore E4K is a tiny monster packed into a compact, EDC light! With the integration of four CREE XP-L2 V6 LEDs, this Nitecore light can emit 4400 lumens in turbo mode excellent for walking at night, camping, and more. Equipped with a 21700 battery, the E4K is capable of a 30 day runtime in ultralow thanks to the immense capacity of the battery. The Nitecore E4K functions through a large side switch designed for comfortable single-handed activation. Easy to press bare-handed or with gloves, the side switch utilizes a simple user-interface with hold, short, double, and triple press shortcuts to quickly get to your desired output. In a hurry to get to your most frequently used mode? No need to worry because the E4K has a mode memory allowing for automatic access to the last mode.
Features:
Optical system with crystal coating with Precision Digital Optics technology
Highly efficient constant current circuit provides a stable output for up to 700 hours
One side switch specially designed to control 5 brightness levels and 3 special modes
Strobe mode uses randomly changing frequencies for stronger dizzying effects
Power indicator located underneath the side switch to indicate battery power
Electronic reverse polarity protection
Optical lenses with double-sided scratch-resistant coating
** Turbo level is only accessible when using a 21700 battery with an output over 15A - not accessible using CR123A batteries. Turbo mode tested without temperature regulation