Specification Brand : Walfront BulletPoint1 : [Highly Sensitive Halogen Detector] This refrigerant leak detector can test all halogen-containing refrigerants with precision. BulletPoint2 : [Optimums Detecting State] Easily adjust sensitivity for accurate results, equipped with built-in voltage and ultra-low power design for stable performance. BulletPoint3 : [Versatile Application] Suitable for use in automobile air-conditioning systems, this detector is a must-have for hvac professionals. BulletPoint4 : [Premium Quality Sensors] Utilizes sensors for high sensitivity and long-term durability, reliable performance. BulletPoint5 : [Innovative Automatic Function] Featuring a boot reset and automatic follow function, this detector can effectively ignore ambient halogen gas concentrations. ItemName : Refrigerant Leak Detector Halogen Gas Leak Detector Air Conditioning Detection R134a R410a R22a HVAC Checke ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 23 centimeters ItemPackageDimensions_Width : 8 centimeters ItemTypeKeyword : leak-detection-tools Manufacturer : WALFRONT ModelName : WALFRONTf73a2en6wx ModelNumber : WALFRONTf73a2en6wx PartNumber : WALFRONTf73a2en6wx ProductDescription : Features: Test all contain halogen's refrigerants This Detector is a boot reset and automatic follow function, can ignore the environment halogen gases concentration level USES the sensors, the work high sensitivity, long life expectancy. This product has the function of the sensitivity stepless speed regulation, can adjust in testing