Precise temperature control: LED digital display, large screen LED temperature display, aquarium heating rod, easy to read the temperature. The external controller allows safe adjustment of the temperature outside. Adjustable Temperature Range 18-34°C - 64.4-94°F. Thicker Explosion-proof Quartz Glass: Using stable and reliable high-quality materials, 30% thicker than normal aquarium heaters, resistant to explosions and preventing electricity leakage. The protective cover made of high temperature resistant material will not soften under high temperature, it can prevent your beloved fish from puncturing and scalding.Unique Safety Protection Design: The thermostatic aquarium heater adopts 3 sensors for a better protection, when the water temperature is higher than the set temperature, the heater will automatically stop heating. When the water temperature is lower than the set temperature, the heater will automatically start heating. Heating in stages, the temperature rises gradually,
