Mini Aquarium Heater 5V/2A USB 15W Super Small Fish Tank Heater with Digital Display Thermostat, Thickened Quartz Glass Betta Tank Heater Turtle Heater for Tanks up to 1 Gallon

This betta fish heater can be used in both fresh and saltwater. Not only can it serve as an aquarium heater, but it also works well for turtles, pet fountains, and plant seedlings

• Small Aquarium Heater: Compact & Submersible design to take less space and hide in the fish tank, designed for most mini fish tanks up to 1-4 liters
• Quartz Glass Material: The heating rod is made of 2mm thickened quartz glass, is resistant to explosion and corrosion, and protects fish waterlives from punching and scalding
• LED Digital Display & External Temperature Controller: The LED display shows the water temperature in real-time. The external controller (64-93℉/18-34℃) lets you adjust the temperature without getting wet hands
• Automatic Constant Temperature: The heater maintains the water temperature within 1°F accuracy. It automatically stops heating if the water temperature goes over 96°F (36°C) to protect
• 5V/2A USB Power Source: Use a 5V/2A power adapter or a 5V/2A power bank to fuel up the heater. (Please note the power adapter or power bank is not included)