[Wood grain to become a picture] The grain which feels warmth melts into any natural space. Living room, as well as bedrooms and computer desks, children's rooms and guest rooms, there are places to put them. • [Multi-function] Alarm function, alarm auto stop, 12/24 hour display switching type, calendar, temperature display, humidity indication, afterglow function light. • [Sound sensor and energy saving function installed] You can set the display to respond to sounds above 60 db. Between 18 o'clock and 7 o'clock the next day, the brightness of the display will be halved. • [Setting memory] Even if the power is turned off, only lithium battery can not be displayed, lithium batteries that are remembered for hours and setting contents are built in. • 【2 types of power supply method】 USB / dry battery display screen is large and electricity consumption is a little big, so USB power supply is recommended for normal use. When using dry batteries, please set to voice mode (for energy conservation).