Waterproof outdoor thermometer, self-adhesive for round exterior windows, -40 to 50 °C, 10.7 cm diameter

Battery-free: This transparent thermometer features integrated, high-sensitivity, precision bimetallic elements to detect temperature changes. Battery-free, it's economical and environmentally friendly, and easily attaches to a window using the included adhesive strip. Self-adhesive window thermometer: This transparent thermometer attaches to an exterior window, allowing you to easily read the outside temperature of the room. You can clearly see the outside temperature in your home and adjust your clothing accordingly to avoid getting cold. Waterproof and durable: This transparent thermometer is completely waterproof and weatherproof. Its 3mm thick acrylic dial and stainless steel casing provide high durability and excellent wear resistance. Disassemblable: The thermometer is disassemblable, making it easy to clean and recalibrate. Use: This thermometer is particularly practical in winter when the temperature difference between indoors and outdoors is significant. Its robust design allows it to be installed on the outside of a window or glass door.