This 12-inch vintage round clock features a built-in thermometer with an IP44 waterproof rating, making it suitable for outdoor use. The classic design adds an to gardens, patios, or balconies. The Outdoor Waterproof Wall Clock with Thermometer is a stylish and functional addition to any outdoor space. What sets this clock apart is its battery-free operation, relying on an external temperature for power. It's a and reliable choice for keeping track of time and temperature outdoors.