Feature:1. APPLICABLE SCENARIOS: Wireless caregiver pager can be used in scenarios such as elderly pager, wireless doorbell, greeter, and one touch call for hospital patients.2. 38 MUSIC SONGS: Caregiver call button has 38 music songs to choose from, 4 levels of volume adjustment, and the transmitter and receiver can be paired at will.3. ULTRA LONG RANGE TRANSMISSION: Caregiver pager has ultra long range transmission, 330m of open space reception, 50m/164.0ft through the wall 13 floors are ringing.4. HIGH PENETRATION POWER: Alert button gives caregivers and residents freedom while ensuring that help is available at the push of a button and penetrates well.5. PLUG AND PLAY: Elderly monitoring call button is plug and play, easy to use by plugging the receiver into an electrical outlet, very convenient to use.Specification:Item Type: Wireless Caregiver PagerMaterial: ABSWireless Reception Distance: Approx. 330m/1082.7ft (Open Area)Wireless Frequency: 433MHZMode: 2 For 1Remote Control Built In Battery: 1 x 23A 60mAh Alkaline Battery.Package List:2 x Host1 x Remote Control1 x Instruction Manual