Aquatop External Dual Digital Aquarium Thermometer - White

• Allows you to easily monitor your aquariums water temperature & ambient room temperature with a large dual lcd display
• Sleek compact design provides for non-obstructive placement
• Accurate to +/- 2 degrees fahrenheit and must be mounted externally.
• Adhesive backed for easy installation
• Includes x 1 (ag13) 1.5v battery