Product: hygger 300W Digital Quartz Aquarium Heater for Fresh-Water and Salt-Water, with External IC Thermostat Controller and Thermometer, Fast Heating Submersible Thermostat for Fish Tank 30-60 Gallon
Brand: hygger
Hygger high-power digital quartz aquarium heater is specially designed for medium and large fish tank use,
 fast heating up for 30-120gallon aquariums.
We now have 300W and 500W fish tank heaters available.
It comes with 1 quartz heater, 1 IC temp controller and 1 thermometer, the cables are all long enough for use indoors.

Other 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 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
 Heater tube material: quartz glass
Plug: three-pin US plug
Power cord: heater cord 6ft，the controller cord 5ft, the thermometer cord 4.6ft
Temp control range: 61-90℉
Temp accuracy: ±1℉
 Size: 300W (30-60 gallon), 500W (60-120 gallon)
🐠【Fast Heating Up】voltage 110-120V/60HZ, power 300W, US three-pin plug, heater rod length 7.7 inch, 300W submersible heater for fish tank 30-60 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
🐠【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
🐠【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
🐠【Fully Submersible Aquarium Heater】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. Keep the tank wall clean and check the suction cup regulary is very important to make sure the heater and the thermometer stay in place

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