Small Aquarium Heater, USB 10W Adjustable Mini Fish Tank Heater with External Temperature Controller, Overheating

Key features

• Compact Size: This small size aquarium heater designed specifically for small aquariums below 1 gallon, suitable for betta fish, shrimp tanks, and desktop nano tanks
• Adjustable Temperature Control: Features an external digital temperature controller with display that allows precise adjustment to maintain optimal water temperature for your aquatic pets. Temperature can be accurately adjusted from 64 to 93°F
• USB Powered: Safety and convenient 10W/5V=2A USB-powered design eliminates the need for bulky power adapters and allows flexible placement near computers, power banks, or USB wall chargers
• Automatic Temperature Control: Heating automatically stops when the set temperature is reached and maintains a constant temperature with 1°F accuracy. The heater will retain the settings, eliminating the need to reset it after power loss
• Overheating Protection: The power will be cut off and stop heating automatically if the heater overheating. Protect your fish. Never cook your fish.

Free shipping included. 30-day hassle-free returns.