Aquarium Heater Controller The IceCap heater controller can connect up to two heating elements (sold separately) and provides precise temperature control for an aquarium. It includes dual-heating power jacks and supports up to 1000 watts. For added safety, you can use it in conjunction with an aquarium system controller. Features Dual grounded output heater control Accommodates a combined total of 1000 watts Accurate heat control For freshwater and marine aquariums 1-year limited warranty Specifications Temperature Control Modes:On/Off Control, HeatingTemperature Control Range:20-34C / 68-93FTemperature Resolution:0.1C / 32FTemperature Accuracy: 1C / 1FAmbient Temperature: 35C / 95FAudible Alarm: Over Temperature AlarmInput Power: 100 ~240VAC/60HzRelay Contact Capacity:Heating (10A, 100-240VAC)Controller Body Dimensions:3.125in x 5.375in x 1.125in (LxWxH)Probe Cord Length:5ftHeater Outlet Cord Length:18inCalibration Offset: 5.0 (C/F) in 0.5 increments Heater controller only -Requires a proper-sized heater(s) to operate.For Indoor use only Blue LED indicates power ONRed LED indicates heater power is ON Button Functions Hold and press the button for 5 sec. to switch the Controller ON or OFF. Press button once to enter the target temperature setting mode. Press the button to switch the display between Celsius and Fahrenheit. Press the button to increase the Target Temperature and press the button to save your setting. Press the button to decrease the Target Temperature and press the button to save your setting. Controller Temperature Calibration Check the aquarium's water temperature on the thermometer against the temperature shown on the Heater Controller. If there is a large difference between the thermometer and the Heater Controller, you must calibrate it. Press and hold and buttons simultaneously for around 3 seconds. The Water Temp display will begin blinking. The original allowance value shows at 0.0. Press or button to adjust up or down the value ? 5.0 (C/F) in 0.5 increments Finally, press the Set button to con?¦rm calibration setting. The bottom display will change back to show the water temperature WARRANTY CoralVue, Inc. and IceCap hereby guarantee this product to be free from defects in material and workmanship for a period of: 1 Year Warranty is activated on the date of purchase. This Standard Limited Warranty applies and is limited as follows: To the product only as long as it remains in the possession of the original purchaser. To the product that has not been subject to accident, misuse or abuse. To the product that has not been modified, altered, defaced, or had repairs made or attempted by other than CoralVue, Inc. That CoralVue be immediately notified in writing within ten (10) days of first knowledge of defect by owner or his agent. That CoralVue, Inc. shall be given first opportunity to make any repairs, replacements or corrections to the defective construction within a reasonable period of time. Under no circumstances shall CoralVue and/or the Manufacturer be liable by virtue of this warranty or otherwise for damage to any person or property whatsoever for any special, indirect, secondary or consequential damages of any nature however arising out of the use or inability to use because of the product defect.