1. Read Simply: Simplify temperature monitoring with the push of a button, view readings on the crystalclear large display, and easily change temperature units by holding the button down for 3 seconds. 2. Battery Operated Temperature Gauge: Keep your aquarium temperature meter running smoothly with its energysaving, builtin button battery. When it's time to it, simply swap out the LR44 button battery for continued dependability. 3. Ease of Installation: Attach the aquarium temperature meter using two suction cups on the outside of your fish tank wall with the corded model, or opt for the wireless option with an adhesive design for hassle installation and temperature measurements. 4. Thoughtfully Designed: The sleek aquarium temperature meter allows for unobtrusive monitoring of your aquatic ecosystem. It has wireless convenience for easy temperature tracking without interference. Its compact design won't block your view or disrupt your reptiles' activities.