VIVOSUN Submersible Aquarium Heater with Thermometer Combination, 400W Titanium Fish Tank Heaters with Intelligent LED…

Precise Temperature Control and Display: The heater controls the temperature precisely, making the temperature difference within ±1℃/±2ºF; The aquarium thermometer is accurate to +/- 1℃; With LED display on the heater and LCD display on the thermometer, the temperature can be read easily
Bundle: The heater and the thermometer are sold together, and they can work well as a combination to keep the water at a constant temperature; Six different types of heaters can satisfy fish tanks with different sizes
Two Suction Cups on the Thermometer: The thermometer are equipped with two suction cups, which make it attach to the tank closely
Super Long Cable: Both the heater and the thermometer have long cables, which allows them work well even in large fish tanks
Wide Compatibility: The heater has CE, FCC and ROHS certification and the plug has a UL certification; Applicable for freshwater and marine aquariums, aquaculture, glass containers, and hydroponic systems