Item Type: Oil Water Regulator Product Material: Aluminum Alloy,Plastic,Glass Airflow Inlet: G1/4 Pressure Gauge Range: 0-160psi / 0-10bar Battery Parameters: Button Battery (Delivered with Built in Battery) Battery Model: CR2032 Battery Capacity: 210mAh Voltage Parameters: 3V Total Length: Approx. 16cm / 6.3in(After Combination) Weight: Approx. 240g / 8.5oz Package List 1 x Pressure Regulator 1 x Filter 1 x Connector Ship with built in battery.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. 1Multi Purpose: Digital pressure regulator is widely used in automotive refinishing, shipbuilding, construction, woodworking, furniture manufacturing, etc. 2Transparent Design: Oil water filter can visually check the accumulated oil or moisture and clean it through the spring loaded valve at the bottom. 3Easy to Use: Complete assembly through the knob thread, connect the spray guns, press the button on the dial to view the corresponding PSI, BAR, KPA, kg,cm parameters. 4Small Portable: Water oil trap filter separator is compact in structure, light in weight, and it is not easy to fatigue when used for a long time. 5Wide Application: Digital pressure regulator is a compact filter device suitable for various types of spray guns.