●Special design and durable life.
●Easy and convenient to use, with good absorb ability and powerful magnetic attraction.
●Clean away the lichen of aquarium and hurtless for glass.
●Inside magnet automatically stand verticalat the bottom of the aquarium and easy to retrieval when the outside magnet detaches.
●It can measure the water-temperature at any point of the aquarium. The measure scope is wide, and the response speed is fast.