Burning Function:Able to withstand 150L/H,No need to worry about there is not enough water dried in your tank at your worktime or vacations; Quiet Operation:Running quietly,the motor inside produces no noise,which gives you a quiet environment in your home; In water or out of water used:suit both vertical or horizontal in the bottom of water or at the land,IP68 water proof,very safe to use; Small size,easy to hide:measures around 4.5 x 3 x 3.5cm; Widely usedin small to medium size aquarium,fountains,spout,water gardens and hydroponic systems,swimming pool water circulation filtration,car cooling circulation system,air conditioner,washing machine,etc