Specifications Brand: AceTech Product Material: Aluminum Alloy Thread: 14mm Counterclockwise (Does NOT come with a 11mm adapter) BB Compatibility: Support Green Tracer BBs and Gel BBs (Does NOT support red tracer BBs) Burst Speed: Up to 35 RPS Battery: Li-ion, rechargeable (Charging time takes 2 hours from a dead battery. Comes with charging cable) Product Dimensions: 4 (L) x 1.5 (H) x 1.5 (D) inches Overall Weight: 0.6 lbs Color: Black Features Acetech Raider features a breaching muzzle brake design that uses a Acetech Blaster M tracer unit inside the outer sleeve Highly durable aluminum alloy construction with an anodized matte black finish This tracer unit simulates muzzle flash, the effect of flame depends on volume of gas or water fog around the muzzle, with more volume, the effect will be better Three modes available with a press of a button (tracer with flame, flame only, and tracer only) Intelligent power control that powers on by shaking and it will enter sleep mode when the tracer unit is idle for over 5 minutes Suitable for standard airsoft and gel BB rifles Made to support up to 35 RPS burst speed while still being brighter than ordinary illuminators Battery can supply 20,000 rounds with one charge Package Includes: 1x Tracer Unit, 1x Charging Cable, 1x Manual