It can quickly and accurately detect the concentration of gases such as ammonia, provide gas monitoring data, and the safe of the usage environment. It can display gas concentration values and alarm, with sound and light alarm functions, and remind users to pays attention to gas exceeding standards. High sensitivity: Equipped with highly sensitive sensors, it can respond to changes in the concentration of gases such as ammonia, helping users effectively prevent potential hazards. In a humid, warm environment, ammonia gas is produced faster.Therefore, while detecting ammonia gas, you should also keepings track of the temperature and humidity. and convenient: The small size and designs is easy to carry and operate, suitable for gas detection needs in various occasion., Weight: 0.70768386102 Pounds, Manufacturer: Aboiled