A. Waterproof performance: It has an IP24 waterproof rating. The main body has daily waterproof capabilities and can resist water spray. It is suitable for various scenarios such as kitchens, bathrooms, bedrooms, and living rooms. Note: The sticker on the mask needs to be removed; otherwise, even if the batteries are installed, the LCD screen will not display any content. B. Large - size LCD digital display: It uses a large - size LCD screen for easy viewing. It can display time, room temperature, and indoor humidity (ranging from 15% - 95%). The temperature can be adjusted between Celsius (ranging from 0°C - 50°C) and Fahrenheit (ranging from 32°F - 122°F). It supports 12 - hour format (with AM/PM) or 24 - hour format display and also has alarm and countdown functions. C. Countdown function: The total countdown duration can reach 99 minutes. There are three touch buttons for control. The “1” button is used to add 1 minute to the countdown, the “10” button is used to add 10 minutes to the countdown, and the “CLEAR” button is used to turn off the alarm and return to the “real - time display mode”. D. Three installation methods: This shower clock has three installation methods. It can be placed independently, stood upright, or installed by hanging on a hook, using a strong suction cup to attach to walls, glass, tiles, or smooth - surface mirrors. It can be placed anywhere as needed. E. Battery - powered: It is powered by 2 AAA alkaline batteries (batteries are not included in the product) and does not require connecting wires or plugs.