【Automated shutdown system】 Once the desired temperature has been set, this fully submersible heater will glow red to indicate that it is heating up. It will automatically turn off once the set temperature reached. 【Power off when there is no water】 Please note that this is a fully submersible aquarium heater for both freshwater and seawater tanks. the upper part of the heater is out of the water, it will automatically turn off and the led displaying E1, once completely in the water, it will return to normal work. 【High quality materials】 Made of high quality quartz glass, waterproof double seal material, covered with protective case, shatter resistant construction, this aquarium heater prevents your fish from burning and puncturing . 【25】 Aquarium Heater: The power consumption of 25W is ideal for seawater turtle and seawater turtle aquarium systems with a capacity of 1-50 liters. The small submersible aquarium water heater provides a warm and comfortable for your fish, invertebrates
