Feature: • Can be upgrade your own Silencer to Tracer • High power UV LED technology. • Battery last up to 20,000 rounds. • Can sustain tracer function up to 35 RPS (2100 RPM). • 2 side light sources for optimum illumination. • Integrated Motion sensor inside. • Built-in Lithium battery. • Battery level indicator. • Automatic power on / power off control by Motion sensor. • USB Charging ready. • For use with GREEN glow in the dark BBs only. • Quick Charge: Charge 5 Mins for 1000 rounds. • When no longer to use it, charge battery every 2 months |