Product: hygger 500W Aquarium Heater with LED Digital Temperature Controller, Submersible Fish Tank Water Heater for 60-120 Gallon Tank
Brand: hygger
Hygger Quartz Aquarium Heater with IC Temp Controller provides a hospitable underwater environment for your fish to thrive. 

 Features:
 IP68 100% Waterproof, Fully Submersible
 Dual Protection - Durable Quartz Tube, Shatterproof construction; Double sealed material and protective container for scald preventing and anti punching
 Accurate temperature control from 61°F to 90°F (16°C ~ 32°C)
 Easy to read blue LED digital display shows water temperature
 Ideal for used in freshwater and saltwater aquarium

 Specification:
 Item name: Hygger Quartz Aquarium Heater with Temp Controller
Model: HG-925
Voltage: 110V-120V, 60HZ
 Ground cord length: 4.9 ft
Available In:
200 Watt, Heat rod length: 6.3 inches, for 15~ 30 Gallon fish tank
300 Watt, Heat rod length: 7.7 inches, for 30~60 Gallon fish tank
500 Watt, Heat rod length: 10.4 inches, for 60~120 Gallon fish tank

 How to set temperature: 
 1. Place heater rod and probe at the aquarium and keeps them both fully submerged
 2. Plug in power and you can see the blue LED digital number display shows current water temperature and the red light indicator on 
 3. Press the set button to your desired temperature which will blink 3 seconds and starts to heat 
 4. Once it reaches the desired temperature, red indicator light turns in yellow

 Warm Tips: 
 1. Please read instructions and cautions of the package box carefully before use.
 2. Always keep the heater rod and temperature probe fully submersible.
 3. Before taking out the heater, please disconnect the power and wait for 10 MINUTES to cooling down.

This fully submersible aquarium heater enables memory function and over heat protection. Auto shut off when over-heats, resets when it cools down.
Made with premium quartz and double sealed by black protective guard, this fish tank heater is resistant to explosion and corrosion, and protect fish and other livestocks from punching and scalding
Build-in external IC temp controller, easy to read blue LED digital number shows real time water temperature. Heat indicator lights on red when fish heater start to heat and turns in yellow once it reach set temperature. Temp accuracy is +/- 1°F.
Easy to set temperature without getting hands wet. Temperature can be precisely adjusted from 61 to 90°F (16°C ~ 32°C). Just press set button to desired temperature, it blinks 3 seconds and begins to work
500 watt aquarium heater, voltage 110-120V, suitable for tank capactiy 60-120 gallon freshwater and saltwater aquariums

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