You can set the appropriate light intensity to protect your eyes and save energy at night.Thanks to the sensitive temperature sensor, you can precisely measure temperature and humidity.The watch also has a memory function, so if the external power supply runs out/breaks, it is not necessary to reset it.Product weight: 0.22 kgMaterial: ABS+acrylic mirrorColor: strong > blackProduct size: approx. 85*13*150 mm (without standing legs), 62*85*151 mm (with legs)Temperature range: -20°C - 70°C Vapor content range: 20%-95%Package contents:1 smart watch 1 pc USB cable1 pc user manual