Wireless Remote Call Button Caregiver Pager For Personal Care Nurse Alarm Highlights brand generic Wireless Remote Call Button Caregiver Pager For Personal Care Nurse Alarm Nurse Alarm Description: Build in anti-interference design, avoid interference between users. Mini size and beautiful appearance. 52 rotate songs for your selection. Particularly suitable for office buildings, households, factories, tourism and other places, a wide range of uses. Widely used, not only as patient care, it can be used for special purposes, such as bonding, ordinary doorbell, paging, emergency notification, etc. Convenient for transport, the transmitter with lanyard can be carried in a pocket. Just press the SOS button and the receiver will emit a loud sound. Specification: Transmitter Battery: 3V 2032 Battery SOS Button: 90-250V (US Plug) Size: 8.1X8.1X4.5cm Package Include: 1 X Transmitter (Remote) 1 X Receiver (SOS Button) 1 X user manual 1 x lanyard Note: Transition: 1cm=10mm=0.39inch Please allow slight 0-1cm difference due to manual measurement. Colors may appear differently depending on the light and how the listing is displayed. Thank you for your understanding and attention. I wish you a pleasant shopping experience