DUOYI DY5750B Car Air Conditioner Leak Detector

Features1. Audible signal ticker and visual leak size indicator. 2. Adjustible sensitivity as low as 14 grams/year 3. Fast warm up 4. Goose neck probe 5. Usage: air conditioning leak detector / refrigerant detector / halogen leak detector / car air conditioning leak detector / refrigerant detection maintenanceSpecification1. Warm up Time: 6s 2. Alarm Mode: Sound, Light 3. Length of Probe: 23cm 4. Maximum Sensitivity: 14g/yr(0.49oz/yr) 5. Woking Temp. : 0C~52 degree Celsius 6. Dimension:1 70mmx45mmx43mm 7. Power Source: 1.5V AAAx4(not included) 8. Working Humidity: Within 90% RH