Digital Aquarium Thermometer Glass Container Features: Automatically set high and low temperature thresholds. When the threshold is exceeded, it will automatically alarm and the light will flash. The initial high temperature is 28C and the low temperature is 25C. The high-precision temperatureprobe can be immersed in water for a long time to truly measure the water temperature of the water tank. Pure transparent screen, close to the fish tank glass, more beautiful. Can measure water temperature, room temperature, indoor humidity, threefunctions in one measuring tool. Made of high quality ABS material, durable. Comes with a replaceable battery CR2032, convenient. The thermometer and the probe are designed separately, which is more convenient for disassembly and assembly. The thermometer is wall-mounted for easy access. Specifications: Product Name: Aquarium Thermometer; Material: ABS; Color: White; Product Size: 75mm*126mm*9mm