Sleep mode Power saving 5 minutes If no operation is performed, the screen will automatically turn off. The screen saver time can be set in the system Small, lightweight and easy to operate: increase the hand-held arc, so that the hand is not tired, human body industrial design, as easy as e phone 8G running memory: Built-in 8G stora, using can record more color difference values, convenient and fast CCD sensor: highly sensitive sensor chip, accurate metering, fast response Instrument interface: humanized interface design, HD IPS capacitive screen, natural color eye protection