wostore wireless digital pressure gauge set dual-table valve high accuracy suitable for freon charging and vaccum pump evacuation r134a r22 r12 r404a r407c hvac with refrigerant charging hoses wostore professional air conditioning diagnostic manifold gauge set for r12,r22,r32,r123,r134a,r290,r404a,r407c,r410a,r502,r507,r600a refrigerants. blue gauge (low): 0-550 psi, red gauge (high): 0-750 psi. provided pressure untis: kpa, mpa, torr, inhg, mmhg, kgf/cm2, psi, bar. digital instrument panel is easy to read. 60" long charging hoses, 3 color for easily recognition, red for high pressure, blue for low pressure, yellow for refrigerant bottle or vacuum pump. charging hoses burst pressure: 4000psi, max working pressure: 800psi. it can display pressure in real time.this digital manifold gauge set is mainly used for air exhaust and compression in refrigeration and maintenance operation, refrigerant charging of air-conditioning systems. digital screen can display exact pressure in real time.<p><b>attention:</b><br>battery required: 9v 6lr61 battery x 2.<br> <b>package includes:</b><br> digital manifold gauge x 1<br> 60" charging hose x 3 (pressure: 800-4000psi, yellow:1/4"*1/4"sae f, red and blue:1/4"*5/16"sae f)<br> high and low pressure quick coupler x 2 (low side: blue; high side: red)<br> valve core wrench x 1<br> can tap valve x 2(1/4"sae m)<br> adapter x 4(2 pcs 1/4" sae f to 5/16"sae m, 5/16"sae f to 1/4"sae m,1/4"sae m to 1/2"sae f)<br> 9v batteries x 2<br>blow molding package x 1<br> manual x 1<br> package dimensions: 15.55*14.57*4.76 inch<br> package weight: 9.41 pounds.