Features: With a maximum sensitivity up to 0.14oz/yr. Response within 3 seconds; Warm up in 6 seconds. A flexible probe around 9-inch allows detections in difficult and hard-to-reach areas. Can detect R134AR22R123R407CR410A.R22134aR404A. Halogen gases detector: Fluorine, chlorine, bromine, iodine, astatine, ishida (Ts). Specifications: Material: ABS+Metal Size: 170x45mm/6.69x1.77in Warm up time: 6s Alarm mode: Sound & Alarm Maximum: 14g/yr(0.49oz/yr) Working temp: 0-52 Power source: 15V 4xAAA( Excluded) Working humidity: Within 90%RH Note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Refrigerant Gas Leak Detector 1x Carry bag 1x English Manual