Digital MANIFOLD

Product details:
1.Suitable for R-12 /R-22 /R-134A/ R-407C /R-502/R-507/R410A/R404A
2."Dynamic Off-set" bar graph clearly shows modulation of control valves
zero key eliminates manual recalibration
4.Includes vacuum readings at low side
to read LCD screen with 4 large digits
holds all the time with low battery indicator to preserve battery life:
7.Upgradeable for new and additional refrigerants
8.Splash resistant and wide temperature range for indoor & outdoor use; case resistant to typical oils, acids and sun exposure