Each unit is fully submersible, shatter resistant and equipped with an electronic thermostat that provides accurate and reliable heating. Additionally, there is an adjustable heat settings ranging from 68° - 88°, an LED which illuminates when actively heating and a built-in auto shut off function that prevents the heater from overheating. The suction cups make horizontal or vertical installation quick and easy.

Features:

• Fully submersible with shatterproof and nearly indestructible construction
• Electronic thermostat with advance gravity shut off technology
• Adjustable heat settings, accurate to +/- 1° with LED light that illuminates when heating
• Can be easily installed both vertically or horizontally using the included suction cups
• For fresh or saltwater aquariums up to 100 gallons
• 300 watts