Small and exquisite, there is a portable lanyard, you can carry around, hold the hand or put the trouser pocket is very convenient, the appearance level is high. Light weight and high strength: Aluminum alloy has low density, light weight, but high strength, excellent mechanical properties-, and is an excellent structural material. Environmental health: Aluminum alloy is an environmentally friendly and healthy material, will not produce harmful gases and pollutants, in line- with modern people's requirements for environmental protection- and health. Built-in high-specification MEMS- sensor, quality assurance-, small measured error range-, sensitive response, more stable reading, built-in 400mah full-capacity A polymer battery, automatic shutdown-time setting, all interfaces support one-click- Chinese and English- switching, suitable for different countries. 1x Detector 1x Charging Cable 1x Manual