Features: The Leak Detector offers rapid and precise detection of Refrigerants leaks in air conditioners and refrigerators, safeguarding both the environment and human health. Equipped with high sensitivity, it detects even the smallest leaks, while its digital display provide clear concentration readings; it's lightweight for easy handling and operation. For HVAC technicians, refrigeration equipment installers, and environmental monitoring professional who require accurate leak detection. Perfect for use in homes, offices, shopping mall, hotel, or any location utilizing air conditioning or refrigeration systems, as well as environmental monitoring stations and refrigeration repair centers. Make from ABS material, this gas analyzers is a essential tool for ensuring safety and efficiency of cooling systems, making it a must for professional in the field. Specifications: Material: ABS Measurement Ranges: 0-1000PPM Resolution: 1PPM Preheating Time: 30S Response Time: ＜10S Sampling Method: Diffusions Screen: Backlit Alarm Setting: Low/High Concentration Alarm Function Alarm: Sound, Light, Vibration Working Temperature: -10 to 50℃ Battery: 3xAAA Battery Requires(NOT Include) Size: About. 156x64x27mm/6.14x2.52x1.06in Tube Length: About. 260mm/10.24in Package Includes: 1 Set Halogen Detector note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.