Features: High-power UV LED technology 11 different modes available for the multi-colour flame function Shake to wake with beep confirmation IP65 (dust-tight and rain protected) Lithium battery rated up to 20,000 rounds Flash speeds of up to 35 rounds per second / 2100 RPM Integrated motion sensor inside Battery level indicator with idle power save mode USB type C charging - no more batteries!! For use with Green BBs Specifications: Brass Diameter: 30mm Length: 81mm Threads: 11mm CW & 14mm CCW Weight: 61g CNC Aluminium construction