Calling Unit with Two Feather Touch Keys is designed with soft touch keypad consisting of one key for call initiation and another for clearing call which is required to be done by the Nurse attending to the patient. Naveen Alarm Systems India [P] Ltd. Is an ISO 9001-2000 company that offers Calling Unit with Two Feather Touch Keys.Naveen Alarm Systems India [P] Ltd. Also supplies different types of fire alarm products and security solutions. Calling Unit with Two Feather Touch Keys is equipped with an additional push button switch by means of a coil cord to enable a patient to initiate a call from the bed itself. It uses one indicating LED, which flashes on a call initiation and becomes steady when call is acknowledged at the nurse station. It comes with very low working voltage to ensure patient safety.