1. Electromechanical device for the cultivation of indoor plants, constituted from a box (1) of 60 cm long by 20 cm high and 30 cm deep with two handles (2) for manual transport in the center of the upper sides of the front and rear walls, there being four supports (3) for fixing to the ceiling and for fastening the cover one in each of the upper corners of the box (1), and a detachable grid (4) for change of carbon filter (5) on the rear wall, and on the rear wall there is a water inlet (6) in the upper right corner and in the center an air inlet (7) leading to three fans ( 8) preceded by said carbon filter (5) having the front wall of said box (1) in the upper central area a multifunctional screen (9) and below it the controls (10) scroll by said screen and to the left of said screen (9) there are auxiliary contacts (11) and below the current input (12) 12-24 V of the device, while to the right of the screen (9) there is a key (13) on-off-blocking device, characterized in that on the floor of said box are in the center a connection (14) of air / ground sensors, two outlets (15) drip irrigation with hose adapters (16), two frames (17) of forced ventilation devices on either side, six bases (18) of strategically distributed LED spotlights for cultivation and at both ends in the center there are two entrances for an ultrasonic humidifier (19), a recirculation air outlet grid (20) being found in the cover of said box (1) and to the right a plug (21) vent of the water tank. 2. Electromechanical device for the cultivation of indoor plants, according to claim 1, characterized in that inside the said box are in a first and second layers a water tank (22) of 30x25x5 cm with solenoid valve (23) filling and a ventilation grid (24) plus a cap (21) for access to the tank and a motor (25) for refilling said tank (22), a carbon filter (5) of 10x30 cm, 3 fans (8) for extracting 10x10 cm, an air / water ozonator (28), a mounting plate (27) of 60x30 cm, an irrigation pump (28), a h