SYOSI Mini Submersible Digital Display Aquarium Heater for Small Fish Tank 50W, Compact Fast Heating Thermostat, with External Controller and Built-in Thermometer, for Betta, Turtle

Features:

Compact and small shape, with plastic guard.

It has memory function if power failure happens.

With 2 strong suction cups, can be replaced.

External temp controller, easy to set the temp.

Built-in thermometer, is sensitive in water.

Led digital display, show water temp.

Auto shut off when out of water, safe to use.

Auto stop heating when water temp is higher than 95℉.

This adjustable aquarium heater 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.

Auto Shut Off When Out of Water

When the heater top is out of water, it will stop heating, the led displaying E1, it means you should put the heater fully submerged.

It will work normally again when the heater is fully in water again, it has memory function, no need extra setting.

Over Heating Protection

When the water temp is higher than 95℉, the turtle heater will stop heating and the set button is failure, you can't do any setting on the controller, led displaying HH.

In this case, just wait the water temp going down. The small fish tank heater will work normally again when the water temp is lower than 95℉.

Use Directions

Keep the heater fully submerged in water.

Don’t bury the heater under substrates such as gravels or sands.

Keep the external temp controller away form water.

Don’t take the heater out of water directly when it’s heating.

Keep water circulation as far as possible.

• ?【Compact Small Heater】Oval shape design little aquarium heater, fast heating for small fish tank. 50W tank heater is for 1 - 6.5gallon, 100W tank heater is for 6.5 - 13 gallon. Heater Dimension: 2.7x1.4x 4.5 inch. The power cord is 5ft, long enough
• ?【External Controller】Easy to set the temp on the controller, only show farenheit temp, you can set the temp range from 63℉ to 94℉, temp accuracy 1℉. Every time you set the temp, just press the button over and over until it reaches to your desired t
• ?【Digital Display】With led display on the midle of the heater front side, when the fish tank heater is heating, there indicator light above the digit is on red, when it stop heating, the light is off. The heater with a built-in thermometer, when tem
• ?【Reliable Thermostat】This an automatic aquarium thermostat, after finishing the temp setting, you can be confidence on that it will maintain the tank water at the temp you set. The tank heater will stop heating when the water temp reaches to set te
• ?【Shut off When Out of Water】please note that this a fully submersible aquarium heater for fresh water and saltwater tank, when the top part of the heater is out of water it will auto shut off and the led displaying E1, when fully in water again it