Smgda 2PCS Dial Type Antifreeze Coolant & Car Battery Hydrometer Tester, Automotive Anti-Freeze Battery Liquid Densitometer Coolant Tester, Coolant Tester Accessory

["Dual-Scale Accuracy- Measures freezing & boiling points of antifreeze in both °C and °F. ensuring precise readings for all automotive fluids.","Versatile Compatibility- Works with 6/12/24V batteries and all antifreeze types, including ethylene & propylene glycol.","Professional Performance - ldeal for mechanics or car enthusiasts, reliable and accurate for routine maintenance.","Portable & Easy to Use - Lightweight dial-type tester with simple scale; carry anywhere for quick checks.","Protect Your Engine - Helps prevent engine damage from extreme temperatures by ensuring coolant is at optimal performance."]