Xcortech all New Advanced Design and Innovation for the BB Tracer unit. Brightest: Compared traditional tracer unit use all new technology with high Power UV LED.
Low power consumption: High-efficiency design batteries last up to 120,000 rounds. Intelligent: Build in 3D motion sensor to detect user moving to save power.

Colour: Black
Diameter: 37mm
Length: 156mm
Threads: 14mm CCW
Material: Aluminum
Weight: 140g (without battery)
Batteries: 4x AAA's Alkaline or Eneloop (Not included)