DC24V Elevator Car Control Board, 16 Bit MCU Elevator Control Board, ISO9001 Elevator Car Control Board Description: 16-bit industrial MCU Communication with main controller via CAN-Bus Control car device (such as open/close door button , attendant switch , independent switch) Support commissioning in the car On board buzzer http://www.elevator-component.com/china-dc24v_elevator_car_control_board_support_commissioning-14217147.html SHANGHAI SUNNY ELEVATOR CO.,LTD quality manufacturer from China. Welcome to visit our official website : http://www.elevator-component.com