1. Automatic Identification: This pressure gauge adopts DC solution, automatically identifies and matches the current of the device, the power supply will not damage the machine 2. High Precise Measurement: This pressure meter adopts imported pressure sensor, high precise ADC and low power MCU, with high measurement accuracy and wide range 3. Fast Measurement: The manometer can quickly measure the current detected pressure value through a single channel, the measurement rate is 0.5 seconds 4. High Resolution Screen Display: The pressure tester has a large screen display with high resolution, the test results are intuitive and clear, easy to read 5. Wide Range of Application: The pressure gauge is widely used gas pipeline, air conditioning refrigeration ventilation system, mechanical hydraulic, molding, ceramic products, etc. Item Type: Digital Pressure Gauge Battery: 1 x 9V 6F22 battery (without battery) Accuracy: 0.3%FSO(25) Repeatability: 0.2% (Maximum 0.5% FSO) Measurement Rate: 0.5 seconds Note: Do not place the instrument in a high temperature place, in order not to affect the test results. color:As shown Material:ABS Package Contents: 1 x Digital Pressure Gauge 2 x hose 1 x connector 1 x Storage Bag Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.