Features: This product is aluminum alloy metal shell-, high quality paint process, TFT- long color screen, ultra-low power consumption, ultra-long standby, less homogeneity of this product. 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. Specifications: Material: ABS- Range-: 1-50L/mins Power: 3W- Voltage: 3.7V Size: Approx. 16x27x105mm/0.63x1.06x4.13in Package Size: Approx. 33x75x142mm/1.30x2.95x5.59in Color: Black/Rose- Gold Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Detector 1x Charging Cable 1x Manual