PULSAR S HPA Engine - With TITAN II Bluetooth® EXPERT Size: 88mm (3.5") Long | 25mm (1") Diameter Weight: 75g (2.6 oz) Operating Pressure: 60-140PSI Velocity (FPS w .20g): 200-550fps Rate of Fire: 1 to 100 rounds per second Bolt Operation: Open Bolt Nozzle Length Compatibility: 21.25mm-21.4mm Features: • The Best Bang for Buck in Airsoft HPA Engines • TITAN II Bluetooth® - Airsoft's First Bluetooth Optical ETU • FULL Trigger Controls - Binary, Burst, ROF Controls Etc. • Optical Sensor which means CRAZY Trigger Response • Gate App for Smartphone & Smart Watch to Adjust Settings Live • World’s Smallest & Most Advanced Single Solenoid HPA Engine • Simple Maintenance Due to a Well Engineered System • Ultra-Stabilized Nozzle Ensures FPS Consistency Package Includes: • Pulsar-S HPA Engine • TITAN II Bluetooth® Optical Trigger ETU • Pulsar-S Quick Start Guide • Pulsar & Gate Patches • HPA Hose • Orings _________ To view more details, please click the drop down tabs below!