1. The wireless aquarium thermometer features a screen size of approximately 3.5 inches, ensuring easy readability under both bright and dark conditions. After 5 seconds of inactivity, the screen automatically enters sleep mode and can only be reactivated by manually touching the on/off switch. 2. Equipped with a precision temperature sensor, the aquarium thermometer offers a resolution of 0.1C and an accuracy of 0.5C. It updates every 5 seconds to keep you informed of realtime temperature changes in the monitored area. 3. The aquarium thermometer is simple to installjust peel off the adhesive tape on the back and attach it to the aquarium. Its compact design takes up minimal space and preserves the aesthetic appeal of your aquarium. 4. With a measuring range of 0C to 60C, this stickon aquarium thermometer is suitable for monitoring various water temperatures. It provides accurate readings for different water types, including freshwater, tap water, saltwater, and seawater.