Finnex HC-820M Digital Heater Controller

Finnex HC-820M Digital Heater Controller +SensorNOTE: Saltwater Use OnlyThe HC-820M Finnex heater controller uses an advanced digital processor that monitors and controls thewater temperature in your aquarium. The heating controller receives temperature data fromthe remote sensor in the aquarium. The remote sensor contains no bi-metallic contacts toarc, corrode or wear out. This allows the HC-820M to have precise control, keeping the watertemperature stable while avoiding wide temperature swings common with low-quality aquarium controllers. The controller displays the current temperature, allowing you to easily maketemperature adjustments on the front panel. Temperature can be adjusted by 1/10th of adegree1000 Watt Max Output Load with Dual Relay ProtectionOut of Water Sensor Protection w/Audio Sound Alert1/10th Degree Temperature Calibration3 Digit Digital Display & ControlOver Heating Audio AlertTemperature Saving Memory Protection1.5F High Precision AccuracyTemperature Steady Low Variance TechnologyThe remote sensor also functions as an automatic power cut-off switch. If the water leveldrops too low and exposes the temperature sensor to the air, power to the heater tube isturned off. This prevents over-heating of the aquarium, saving your prized aquarium life fromharm or other hazards.Maintenance: Secure the out-of-water sensor directly beneath the sensor cord clip,without any cord slack, and above the heating element at all times. Clean and confirmthe out-of-water sensor is functioning properly every 30 days. Do not use heater if theout-of-water sensor is inoperative. Refer to the instruction manual for proper maintenance and care