PROTRONIC - A3000 open opto-electronic WC control for concealed toilet cistern. With facility for externally controlling options such as fittings settings and communication via ECC function controller. With waterproof electronic module with additional input for sensors to be provided by the client no more than 5 m away (e.g. support grips for disabled persons), low voltage motor, waterproof electric T-junction for connecting to system cable, mounting bracket and stainless steel cover plate with sensors and concealed screw fastening. 24 V DC