Elitech Smart Digital Manifold Gauge with Hoses, Subverse Traditional Pressure Gauge, DMG-4B

DMG-4B REMOTE UPGRADE: Support remote firmware upgrade (OTA), keep your manifold gauge up-to-date. DIY YOUR FAVORITE: Supports 140+ types of refrigerants, instant update of refrigerant data via APP, more flexible and efficient selection. No more calculations, simply reading subcooling and superheat. SMART APP(Elitech Tools): Connect App by Bluetooth, data monitoring and analysis in real-time. PROFESSIONAL TOOL: Digital sensors help us obtain more accurate measurement results. COMPACT, PORTABLE & DURABLE: Equipped with a tool bag, easy to carry. Drop-Proof design & ultra-low energy consumption, up to 200 hours of battery life(replaceable batteries). Elitech Refrigerant Charging Hose 3 x 59" (1.5m) A/C charging hose set with heavy duty brass made hose connection, strong sealing for durability and safety but easy to use. Cored in yellow, blue, and red hoses feature a 500 PSI working pressure and 4000 PSI burst pressure, providing you safety and convenience to test or recharge many HVAC system. Refrigerant charging hoses set designed to meet 1/4" SAE requirement on both end of each hose for refrigerant permutation. A strong six-sided crimp provides a reliable connection between the hose and barb even at maximum pressure. Suitable for various refrigerants (R22, R134a, R12, R502 etc.) to vehicle or home air-conditioning with highly working performance. 24/7 US Technician Support via Email and Phone.