1LED liquid crystal display, heating/fault at a glance. Single cycle button set temperature, easy and fast. 2Ceramic heat conduction, reject traditional stainless steel/quartz sand and other heating methods, safe and energy-saving, stable and power saving. 3PID intelligent chip, heating rod fast energy saving core technology, intelligent constant temperature, reduce temperature error. 4Rapid heating, intelligent constant temperature. Adopts energy-saving constant temperature technology, achieve the set temperature then low power heat preservation, energy and electricity saving 5Safe and waterproof, integrated glue sealing technology, prevent electric leakage. 6Overtemperature protection, when the heating rod leaves the water or exceeds 34, the heating rod will stop working automatically. 7Fault whistle design, provide full range of safety protection design, real-time reminder of overtemperature and low temperature. 8Stable vacuum suction cup, strong adsorption for cylinder wall, stable and not fall off. 9Sensitive double temperature sensing probe, accurate measurement of aquarium temperature.