With easy-to-read LCD digital display for this thermometer, you can easily keep an eye on the temperature in your room and aquarium. It is suitable for desktop placing, metal surface sticking or wall hanging. Features: Automatically and simultaneously display indoor & 2 outdoor temperature. Max and min indoor and 2 outdoor temperature display with manual clearing of the max/min value. Temperature alert setting and automatic high/low temperature alarm function with temperature trend. Large LCD display, easy to read. Up to 2 outdoor transmiiters receivable (2 outdoor sensors are included). Temperature can be displayed in Celsius(Â¡Ă¦) or Fahrenheit(¨H). With back stand, hanging hole and magnetic stick at back side, convenient to place or hang. Perfect digital thermometer for fish tank and aquarium. Note: Must first install the battery of thermometer receiver and then install the battery of transmitter. Specifications: Brand Name: KKmoon Color: White Material: ABS Plastic Display: LCD