Hygger 50W Mini Submersible Digital Display Aquarium Heater For Small Fish Tank, Compact And Fast Heating Thermostat, With External Controller And Built-In Thermometer, For Betta, Turtle

Hygger compact oval shape aquarium heater, is specially designed for small fish tanks use, for betta or turtles.
With a plastic guard, gaps width on it is about 6-7mm, no fish can go in, so no worries for fish stuck or burned.
Other features of the fish tank heater:
1. Compact and small
2. Fast heating and reliable
3. With 2 strong suction cups
4. External temp controller
5. Built-in thermometer
6. Led digital display
7. Auto shut off when out of water
8. Over temperature protection

The aquarium submersible heater is suitable for use in fresh water and saltwater, can be used for almost all kinds of small fish tanks,
such as square, cylinder shaped or bowl tank, tank made of glass, acrylic or plastic.

How to use the temperature setting?
Please press the button on the controller over and over, the set temp digits will go circularly from 63 to 93, 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 display the water temp.

LED digital display
Digits: water temp/set temp
E1: heater is out of water
HH: water temp is over 95℉

Use directions
1. Keep the heater fully submerged in water.
2. Don’t bury the heater under substrates such as gravels or sands.
3. Keep the external temp controller away form water.
4. Don’t take the heater out of water directly when it’s heating.
5. Keep water circulation as far as possible.

Specification:
Voltage: 110-120V/60HZ
Heater tube material: quartz glass
Plug: two-pin US plug
Power cord: 5ft
Dimension: 2.7x1.4x 4.5 inch
Temp control range: 63-94℉
Size: 50W (1-6.5 gallon), 100W (6.5-13 gallon)