The most technologically advanced aquarium heater available today, Fluval E Series Advanced Electronic Heater, with VueTech technology, delivers peace of mind thanks to several excellent features. Equipped with an intelligent digital microprocessor monitoring system, with dual temperature sensors, this heater continuously monitors and displays aquarium water temperature, ensuring the safety and well-being of your aquarium inhabitants. The Fluval E Series heater easily clips on or off of the slim line mounting bracket or can be vertically adjusted for precise placement. The included adaptor provides the option of side glass mounting when traditional rear glass mounting is not possible. The integrated fish guard offers advanced protection. Fish and invertebrates cannot come into direct contact with the heater core. The heater is protected against shocks from large fish species.Fluval Electronic Aquarium Heater E Series+ continuously monitors and displays aquarium water temperature in rea