Product: hygger 200W Digital Quartz Aquarium Heater for Fresh-Water Salt-Water, with External Led Display Thermostat Controller and Thermometer, Auto Submersible Heater for Fish Tank 15-30 Gallon
Brand: hygger
Hygger digital quartz aquarium heater is specially designed for medium fish tank use, fast heating up for 15-30gallon aquariums.
It comes with 1 quartz heater, 1 IC temp controller and 1 thermometer, the cables are all long enough for use indoors.

Main features of submersible heater:
1. Fast heating and reliable, fully automatic control.
2. Black plastic heater guard with suction cups
 3. For freshwater and saltwater use
4. The controller with memory function in case of power-down.

How to use the temp setting?
Press the button on the controller over and over, the set temp digits will go circularly from 61 to 90, when you set it to the digit
you want, stop and wait the led flashing for 3 times, then the setting is done and the led will go on displaying the water temp.

Heating indicator light
There are 2 indicator lights below the display screen, the left light will on red when the heater is heating, the right light will on green when it stops heating.

Over temperature protection.
The fish tank heater will auto shut off if water temp is over 97℉, and it will automatically turn normal work when water temp is less than 95℉.

Use directions
1. Keep the heater and thermometer fully submerged.
2. Don’t bury the heater under gravels or sands.
3. Keep the temp controller away from water.
4. Keep water circulation as far as possible.
5. Unplug the heater and wait it cool down before doing water changes.

 Specification:
Voltage: 110-120V/60HZ
 Power: 200W
 Heater tube material: quartz glass
 Plug: three-pin US plug
 Power cord: heater cord 6ft，the controller cord 5ft, the thermometer cord 4.6ft
 Heater tube length: 10.5 inch
 Temp control range: 61-90℉
 Temp accuracy: ±1℉
 Suggest for fish tank: 15-30 gallon
【Fast Heating Up】voltage 110-120V/60HZ, power 200W, US three-pin plug, heater rod length 6.3 inch, 200W submersible heater for fish tank 15-30 Gallon. The heater power cord is 6ft, the controller power cord is 5ft, the thermometer cord is 4.6ft. Temp range: 61-90℉. Fast heating up aquarium heater, it takes about 3 minutes to heat 3.5 gallon water up 3℉
【Fully Automatic Control】very easy and reliable to use. After finishing the temperature setting, the fish tank heater will run automatically by itself. It will stop heating when the water temp reaches to the set temp, please note that the water temp may go up 1℉ more because of the waste heat. When the water temp is cool down to 1℉ less than the set temp, the tank heater will restart heating
【Must be Fully submerged】with strong suction cups on the heater guard and the thermometer, it's easy to install the aquarium heater no to the tank walls or bottom, please keep them fully submerged. The thermometer should be away from the heater and keep water circulation as far as possible. We provide 1 year warranty for this heater, if get any issues, just contact the seller directly
【Digital LED Display Controller】the external IC temp controller can show the water temp with 2 blue LED digits. Only show Fahrenheit degrees. To set the temp, just press the button over and over until the screen displaying the temp you desired, then stop and wait the digit flashing for 3 times, the setting is done and the led shows the current water temp again. The controller is connect with separate sensitive thermometer
【Quartz Tube & Plastic Guard】With high-quality quartz glass tube, it's very durable and explosion-proof, this fish tank heater can be used for saltwater and freshwater aquariums, service life can be 3 years or more. With low profile black plastic guard, easy to hide in the tank. The guard can prevent your aquarium pets from burned, the gaps on the guard is about 3mm, no worries for fish stuck. The plastic guard mustn't be exposed to air when the heater is heating

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