Testing and pressure range: 0-50 bar;Connecting Inch: R 1/2 ;Container volume: 12 L ⚠️WARNING: This product can expose you to chemicals including ​Pb, which is known to the State of California to cause cancer and birth defects or other reproductive harm. The firm steel container have the function of low temperature resistance The double valve system allows accurate and safe measurements results through setting of accurate pump self-checking pressure This testing pressure pump is self-contained, portable, low volume, manual The hydraulic pressure test pump is designed efficiently and ergonomically. You can use it in pipeline, pressure container, irrigation, firemen