Aquatop’s DTG-25 digital thermometer allows you to easily monitor your aquarium’s water temperature & ambient room temperature with a large, highly visible dual LCD display. The sleek, compact design provides for non-obstructive placement, making the DTG-25 the perfect choice for aquariums of all sizes. The DTG-25 is accurate to +/- 2 degrees Fahrenheit and must be mounted externally.Large LCD Display Showing Water & Ambient Room Temp Simultaneously

Adhesive Backed for Easy Installation

Includes x 1 (AG13) 1.5V Battery