SECOND LIFE - BLASTER COMPACT RECHARGEABLE TRACER UNIT (BLACK)Features All new Blaster tracer unit features three different settings, "Tracer", "Flame", and dual modes! Flame mode simulates a bright muzzle flash to help add a little bit of realism to your airsoft gun! Support both green and gel BBs for multiple options Automatic sleep mode after 5 minutes of inactivity Lithium battery design, can supply 20,000 rounds with one charge Support up to 35PRS burst speed while still being brighter than ordinary