Elitech Digital Manifold Gauge for HVAC, Refrigeration & AC Systems – Support…

Elitech Digital Manifold Gauge for HVAC, Refrigeration & AC Systems – Supports R410A/R454B/R32/R134a etc. Smart Battery Features: Built-in features like auto shut-off and data hold help conserve battery life and ensure stable data retention during operation—so you won’t have to worry about frequent charging or losing important readings.