Feature:1. [Efficient and Reliable] The halogen gas detector quickly and accurately detects refrigerant gases like R22, R32, and R134a, ensuring efficient and reliable air conditioning refrigerant fluorine repair.2. [Advanced Technology] The HVAC refrigerant leak detector adopts advanced gas detection technology, offering high sensitivity and quick response to ensure reliable and accurate detection results.3. [Easy to Use] With its simple diffusion sampling method, LCD display, and quick response time of less than 10 seconds, this halogen leak detector is convenient for both professional technicians and DIY users.4. [Wide Measuring Range] The detector has a measuring range of 0 to 1000PPM, allowing for precise detection of even small concentrations of gas leakage, ensuring safety and preventing any potential risks.5. [Sturdy and Portable] Made of sturdy ABS material, this freon leak detector is built to last. It is powered by three AAA batteries with a capacity of 1200mAh, providing over 6 hours of continuous operation. Its compact size makes it easy to carry and use in various situations.Specification:Item Type: Halogen Gas DetectorMaterial: ABSBattery Type: Dry Battery (Included)Battery Model: 1.5V AAA Battery x 3Battery Capacity: 1200mAhDetectable Gas: R22, R32, R134aMeasuring Range: 0-1000PPMResolution: 1PPMMaximum Sensitivity: R22 at 0.5 Ounces Per Year (14 Grams Per Year)Preheating Time (T90): 30 SecondsResponse Time (T90): <10 SecondsSampling Method: DiffusionOperating Time: >6 HoursDisplay: LCD DisplayApplicable Temperature Range: -10 to 50Applicable Humidity Range: <95%RH (Non Condensing).Package List:1 x Halogen Gas Detector3 x AAA Batteries1 x Storage Bag