Features: Adopting sensors technology, ammonia concentration detection is precise and reliable. Addressing users' concerns about ammonia leakage in the environment, ensuring safe production and living conditions. Builtin digital display screen, real-time update of ammonia concentration data. Suitable for industrial sites, laboratories, and other occasion that require real-time monitoring, helping users take response measure. Lightweight body, convenient to carry to different work areas. No need for complex installation, suitable for mobile work environment such as farm, plant, and more., meet the needs of multiple occasion. Equipped with a large capacity battery, it supports long-time continuous operation. Solve the problem of frequent charging, suitable for long-time outdoor work or use in remote areas, and improving work efficiency. Adopting corrosion-resistant shell materials to extend the service life of equipment. Suitable for use in harsh environment, such as high humidity and highly corrosive industrial sites, to ensure stable operation of equipment. Specifications: Material: ABS Color: White Product size: 130mm/5.12''x80mm/3.15''x30mm/1.18'' Measure: NH3,Temperature,Humidity NH3 measuring ranges: 0.00-50.00ppm Detection temperature: -10°Cto50°℃ Relative humidity: 20%-85% Power: 2000mAh Rechargeable battery Package Includes: 1Piece NH3 Tester 1Piece USB Charging Cable 1Piece User Manual note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.