SYNLETT Wireless Calling System is designed for nurses station restaurants, clinic, cafe, nursing home or small care facilities, retirement home, long term care facility, hospital. It allows caregivers or service bell staff to monitor calls and alerts easily. There are a number of different wireless call components can be programmed into this multi-functional call system, including basic call buttons, call light system, panic button system, window/door exit alarms, PIR motion sensors, and caregiver pager. The 2-in-1 wireless dual function call button has CALL and CLEAR features. It allows caregiver or staff to reset or clear call at the call point without reaching out to the CMU. Simply press the call button/beeper to send out signal to the monitoring unit to call out for service or assistance. Press the green clear call button to clear call. The monitoring unit rings out with a voiced number call out or an alert tone of your choice when receiving signal from call buttons. Fully extend the antenna for the most optimal signal range.