LINXINO LM100 Smart Digital Vacuum Gauge

["Dual Professional Measurement Modes (Evacuation + Pressure Leak Test):Specialized for automotive air conditioning system maintenance, accurately measures system vacuum level to judge dehumidification and impurity removal status; supports one-click start/stop measurement, 2-second long press to restart, meets professional auto repair needs.","High-Precision Measurement Performance (±0.2% FS Vacuum Accuracy):Vacuum resolution up to 0.01hPa/0.01mbar/0.01Torr/0.001inHg; temperature measurement range -30~125°C (-22~257°F), accuracy ±0.5°C, resolution 0.1°C/0.1°F, provides reliable data for AC system fault diagnosis.","Multi-Unit Free Switching (4 Vacuum + 3 Temperature Units):Supports vacuum units: hPa/mbar/Torr/inHg; temperature units: °C/°F/K; short press to switch vacuum unit, 2-second long press to switch temperature unit; unit lock after measurement starts to prevent data errors.","User-Friendly & Expandable Design (Auto Power Saving + Manifold Gauge Compatibility) :Powered by 4 AAA batteries; 2-minute auto backlight off, 30-minute no-pressure auto shutdown for energy saving; can be used as a dedicated vacuum probe to connect with AUTOOL digital manifold gauges for more accurate joint testing.","Warranty & Service:Please feel free to purchase it! Your satisfaction is very important to us, if you have any questions, please contact us, we will reply you within 24 hours and try our best to help you solve the problem."]