5KU PBS-1 MINI Barrel Extension with Spitfire Tracer for AK Airsoft ( 14mm CCW )

For airsoft use only Tracer Features 5W high power UV LED bulbs Fully charged battery can last for 30000 rounds Full auto rated up to 35 RPS ( 2100 RPM ) 2 sides light sources for optimum illumination Built-in lithium battery, battery level indicator ( Green, Red light ) Using micro USB port for recharging Quick charge Automatic standby without action for 5 mins Automatically turn on when it senses shaking in standby mode Specification Built-in 3.7V 300mAH lithium battery Diameter 31.5mm Length 50mm Material : PVC Suitable for light green tracer bbs only