★Micro processor and electronic chips control with high quality and reliability;

★Can set antomatic operation of timing,thermostat;wind & rain to meet daliyventilation and lighting requirement;

★Can open or close the window by optional wireless remote control;

★Can meet various signals priority process;

★Various types of control box and greater capacity out put can facilitate the rational allocation;

★Various types of control box and greater capacity out put can facilitate the rational allocation;

★Can develop new type according customer requirement;