1. Easy setup - tired of reading various paper manuals or watching tutorial videos to make the clock roll? We succeeded This mini shower clock has only one time setting knob, which can accomplish everything What you need to do is simply turn the knob left or right to get the correct time period, and insert the aaa battery (not included). 2. Small size, high performance - this clock is only 2.9 inches in diameter and 1.5 inches in width, but small size can also have large screen All the numbers and minute scales on the dial are enlarged for quick identification. Acrylic, known for its extra transparency, is the surface of the clock. In addition, the clock shell made of high-grade silica gel is the best guarantee that no water droplets will leak into the clock. 3. Suck or endure - this is not only a good choice in the watery places such as bathrooms or kitchens. If you are looking for a quiet and simple clock for your desk or bedroom, this clock is also a good choice. It can be firmly sucked onto any smooth surface, just press the suction cup behind it, or the solid silicone shell is enough to support the clock. 4. Installation precautions - use a wet cloth to clean the suction cups and target surfaces and ensure that there is no dirt on them. If the clock needs to suck at the same place for a period of time, it needs to press the suction cup every day. In addition, if you feel that it is too tired to stay in hot water, you can put the suction cup in hot water for 10-15 minutes at any time to cheer it up.