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 1‑3 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 Pager Material: ABS Wireless Reception Distance: Approx. 330m/1082.7ft (Open Area) Wireless Frequency: 433MHZ Mode: 2 For 1 Remote Control Built In Battery: 1 x 23A 60mAh Alkaline Battery. Package List: 2 x Host1 x Remote Control1 x Instruction Manual