Features DUAL SCREEN TIMER: 2 in 1 visual timer with dual screen, support for clock and timing function, helping you easily manage time and schedule. LARGE DIAL: The large display dial design ensures intuitive observation, clear viewing of the time on the interface, convenient in operation. BUILT IN BATTERY: The Visual Analog Timer has built in 200mAh rechargeable lithium battery to ensure long endurance, support Type C interface charging. LUMINOUS SCREEN: Support one key to open the luminous function, convenient to check the time at night, simple and practical, no need other operation. MULTIPLE FUNCTION: This Silent Countdown Clock has 3 sets of alarm settings, countdown of days, and loop counting functions, making it perfect for use at home and in dormitory. Specification: Item Type: Visual Timer Battery: 1 x 200mAh Rechargeable Lithium Battery (built in battery) Screen: High Definition LCD Screen Cycle Timing: Easy operation and efficient learning Ring And Vibrate: Can be used in quiet places such as library 3 Sets Alarm Clocks: Plan your schedule reasonably Timing And Countdown Function: Yes Countdown Day: Yes, such as birthdays and exam countdowns Package List:1 x Visual Timer Package List 1 x Visual Timer