Adjustable heat setting 68 to 88°F, Electronic Thermostat accurate to +/- 1°

Shatterproof and nearly indestructible

Fully submersible; Auto Shut-Off when over-heats, resets when it cools down

LED light is red when actively heating

For fresh and saltwater aquariums

Includes suction cups for installation and placement

Recommended for aquariums up to 100 Gallons