500/15 Lumen Output, White LED Emitter, Bezel Diameter: 1.1"

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The SureFire Y300 Ultra Dual-Output LED Flashlight is a compact 500-lumen flashlight with a variety of convenient mounting options and a 15-lumen low output mode. It outputs light with a white LED emitter and a Total Internal Reflection (TIR) lens that focuses the beam. The light also features a 1.1" bezel diameter and a runtime of 2 hours on high power and 15 hours on low power.

The Y300 Ultra has a few different mounts for attaching it to whatever setup you need. It has an integrated pocket clip for slipping it on to numerous places quickly and easily. The light additionally includes a magnetic mount that will provide a strong, fast connection to certain metallic surfaces, such as steel. This mount works with an included quick-detach magnetic clip for even more uses.

For operation, the light has an ambidextrous toggle switch on the tailcap that allows you to press for momentary-on or rotate for constant-on modes. It also has an anodised aluminium Mil-Spec Type III body construction and includes two 123A batteries.

Key Features

Light Performance
  • 500 lumens
  • White LED emitter
  • 15 lumen low-output mode
  • 2 hour runtime at full power and 15 hour runtime at low power
  • Total Internal Reflection (TIR) lens
  • Location: Tailcap
  • Type: Toggle switch
  • Momentary and Constant-on mode
  • Ambidextrous operation
  • Press the tailcap for momentary-on, twist for constant illumination
Construction Details
  • 1.1" diameter bezel
  • Anodised aluminium body
  • Integrated pocket clip
  • Magnetic mount
  • Quick-detach magnetic clip


OutputHigh: 500 lumens
Low: 15 lumens
Bezel Diameter1.1" (2.9 cm)
RuntimeHigh: 2 hours
Low: 15 hours
ConstructionAnodised aluminium
SwitchToggle switch
MountPocket clip
Magnetic mount with quick-detach clip
Batteries2 x 123A lithium-ion batteries
Length3.6" (9.1 cm)
Weight5.5 oz (156 g)
SureFire Y300 Ultra Dual-Output LED Flashlight
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