Electromechanical system with the motor submerged inside the roller tube. This is a model with a very simple installation and that can be installed on almost any type of pool whose side walls can be drilled. This type of cover can also be installed at different depths which means that the customer will not lose valuable pool space. High durability and low maintenance, are attributes that, combined with the ease of use and convenience, make this model a very interesting option. The pool is protected without causing any disfunction, being it aesthetical or functional.