【Intelligent Constant Temperature】26℃ automatic constant temperature, when the water temperature reaches the specified temperature value, the heater will automatically stop heating, when the water temperature is lower 【Small and Portable】Small and short, portable and lightweight, can lower the water level by using. Explosion-proof quartz, seawater and fresh water in general. 【Please Note】The heating rod must be completely immersed in water and placed in a position where the smooth flow, do not insert the heating rod into the sand, do not allow children to touch and play. 【Safety Design】This is a glass aquarium heater with a strong protective cover, which can effectively prevent fish or turtles from hitting and touching. Note that this protective cover cannot be removed 【High Quality】 Professional manufacturing, stable characteristics and high reliability. Fine workmanship, sturdy, durable and long service life.