Features: 1. Dual Screen Timer: 2-in-1 visual timer with dual screens, support clock and time function, help you manage time and schedule easily. 2. Large dial: The large dial design ensures intuitive observation, clear display of the time on the interface, convenient in. 3. Built-in battery: The electronic watch has built-in 200mAh rechargeable lithium battery to ensure long endurance, supports Type-C charging. 4 .Luminous screen: Support one key to open the luminous function, convenient to check the time at night, simple and practical, no need for anything else. 5MULTIPLE FUNCTIONS: This timer has 3 sets of alarm settings, day countdown and loop counting functions, making it suitable for home and dormitory use. Specification: Product Type: Visual Timer Battery: 1 x 200mAh Rechargeable Lithium Battery (Built-in Battery) Display: High Definition LCD Display Cycle Timing: Simple and effective learning Ring and vibrate: Can be used in quiet places like library 3 sets of alarm clocks: Plan your schedule reasonably Timing and countdown function: Yes Countdown day: Yes, for example birthdays and graduation countdowns Delivery includes: 1 x Visual Timer