Power on/reset: press the reset button to reset, 0-9 digital screen displayClock function: hour, minute, temperature, can switch between 12-hour system and 24-hour systemVoice control function: In the power saving mode, the display can be awakened when the voice is close or greater than 60dB.Three display modes:dp-1: Display time or date and temperature in sequence;dp-2: keep the display when setting;dp-3: Only display time and temperatureAlarm clock function: three alarm clocks can be setThe temperature can be switched to display /;Temperature measurement range: (0-50);(32-122)Power supply mode: 3AAA/4AAA battery, but it is not specified in the package / USB power supply is also availableNote: Due to various factors such as display brightness and light brightness, the actual color may be slightly different from the website picture.