USB Mini Aquarium Heater 26°C Constant Temperature

USB Mini Aquarium Heating Rod for Small Fish Tank 26°C Constant Temperature is a compact, submersible heater designed for small tanks. It operates on a 5V USB power supply and does not feature an LED display.Key features Automatic constant temperature and high temperature protection. USB plug can connect to phone chargers or power banks. Maintains 26°C constant temperature with a red indicator during heating and a green indicator when the target is reached. Quartz explosion-proof material for sa