Cart 0
Nitecore SRT3 Defender Cree XM-L2 LED 550 Lumen Flashlight-Black


Nitecore SRT3 Defender Cree XM-L2 LED 550 Lumen Flashlight-Black


SRT3 User Manual

Nitecore SRT3 Defender is a super bright yet easy to use compact light. Combining its performance, compact size with blue, red emergency signal lights, SRT3 is a must-have EDC flashlight that you need for any and emergency situation.

The SRT3 uses a CR123A for the most powerful outputs. You can also use the light with a commonly available AA battery with the included extender.


  • Purpose-designed for law enforcement, self-defense and outdoor applications.
  • The world's first line of flashlights to feature third generation SSR (smart selector ring) technology
  • Smoothly and rapidly select brightness levels and function by rotating a smart selector ring
  • Utilizes the latest CREE XM-L (XM-L2 T6) LED for a maximum output of up to 550 lumens
  • Second generation of Crystal Coating Technology along with Precision Digital Optics Technology provide extreme reflector performance
  • Boasts a peak beam intensity of 4,500cd and a throw distance of up to 134 meters (ANSI FL1)
  • High efficiency circuit board provides up to 200 hours runtime on lowest output level
  • Equipped with unique multi-colored (red and blue)  signaling lights
  • Infinite brightness adjustment from 0.1 to 550 lumens
  • Six rapidly switchable functions to select from
  • Reverse polarity protection
  • Stainless steel titanium-plated clip
  • Stainless steel retaining ring protects core components from damage
  • Toughened ultra-clear mineral glass with anti-reflective coating
  • Constructed from aero grade aluminum alloy
  • Robust HAIII military grade hard-anodized
  • Waterproof in accordance with IPX-8 (two meters submersible)
  • Impact resistant to 1.5 meters
  • Tail stand capability


  • Length: 100mm (3.9in) / 117mm (4.6in)(with AA extension tube)
  • Head diameter: 25.4mm (1in)
  • Tube diameter: 24.3mm (0.96in)
  • Weight: 73g (2.57oz)(without battery) / 87g (3.07oz)(with AA extension tube)(without battery)

Accessories: Quality holster, removable clip, AA extension tube, lanyard, spare tail cap button and spare O-ring

Share this Product

More from this collection