Tinor - Aquarium Heater, 50W Mini Adjustable Heater, with led Digital Controller External Protector, Can Control Temperature from 20-34℃, Water Level

[Fast Heat Accumulation]: Aquarium heater using nickel-chromium heating wire, the heating speed is faster and the thermal conductivity is better. The heating rod comes with 4 strong suction cups, fixed and stable, safe and durable. [External Controller]: The digital display screen shows the current temperature and the set temperature in real time, the temperature control accuracy is ±1, and each press increases the temperature by one degree (20 ~ 34) [Multiple Use Modes]: Due to the strong suction cup, you can fix it inside the tank or put it on the bottom of the tank to use (Note: Make sure to put it completely in the water when using it, and the bottom of the tank cannot be buried by sand and gravel!) [Safety]: Nickel-chromium alloy heating element, high efficiency and saving energy, with explosion-proof quartz tube, higher thermal conductivity, faster heating speed, longer service life and uniform heating, high-quality plastic cover, effectively protect aquatic organisms from harm