It allows to change the function or adjust the setup parameters. PRODUCT FEATURES: • 9 volt alkaline battery powered. (Order Separately) • Push button operation. The remote control is used to set different functions of the multifunction sensor. This remote control incorporates a communication module, which permits the data exchange with the sensor, a keypad with buttons for each of the eight (8) functions, and three (3) additional buttons to set the time values. A screen displays the time va