Exhaust Built-in Silencer Exhaust Port Thread Rc 1/2 Supply, Release Valve K1 [Supply Valve: Solenoid (NC)/Release Valve: Solenoid (NC)] Voltage 5 (24VDC) Lead Wire LO (L Plug w/o Connector) Light & Surge Suppressor U (Light & Surge Suppressor (Non-polar)) Manual Override Non-locking Push Style Vacuum Pressure Sensor G (Vacuum Pressure Gauge) Output Specifications None Lead Wire Length 0.5m (or None) Q Q (CE Marked)