Feature 138 Music Songs, 4 Level Volume: Caregiver pager has 38 music songs to choose from, 4 levels of volume adjustment, and transmitter and receiver can be paired at will. 2Wide Application: Caregiver pager can be used in situations such as pagers for the elderly, wireless doorbells, greeters, and one click calls for hospital patients. 3Long Range Distance: Wireless caregiver pager has ultra long distance transmission and 330m/1082.7ft open space reception. 4High Sensitivity: Press the button to get the alarm button, and the penetration effect is excellent. There are alarms on floors 13 when the wall is 50m/164.0ft long. 5Plug and Plug: Caregiver pager is plug and play, easy to use. Just plug the receiver into the power outlet, which is very convenient to use.Specification: Item Type:WirelessCaregiverPager Material : ABSWireless Receiving Distance:330m/1082.7ft (Open Area)Wireless Frequency: 433MHZMode: Two By OneBuilt in Battery of Remote Control: 1x23A Alkaline Battery 60mAhVoltage: 100-240V ---------- .wang-edit-text{ ------------ font-family:'Arial' !important; ---------- } ---------- .wang-edit-text table { ------------ border-top: 1px solid #000; ------------ border-left: 1px solid #000; ---------- } ---------- .wang-edit-text table td, ---------- .wang-edit-text table th { ------------ border-bottom: 1px solid #000; ------------ border-right: 1px solid #000; ------------ padding: 3px 5px; ---------- } ---------- .wang-edit-text table th { ------------ text-align: center; -------- }Package List:2xHost1xRemote Control1xManual