[Caregiver Pager-Smart APP Control]This caregiver pager and call button for elderly are connected to the cell phone via WiFi to realize mobile APP remote push, which can accurately and clearly detect the trigger signal of the button. When the elderly encounter an emergency, easily press the SOS button and both the phone and the pager will receive an alarm signal, reminding the caregiver to of the elderly at anytime [Long Range Pager] The caregiver pager emits reliable signal, the alarm range in open area is 328ft/100M(the pager will not interfere with other devices, but the wall/metal will affect the receiving distance, please measure the actual distance when you receive the emergency alert system for seniors) [Audible/Visible Alarms Call Bell]Quickly press the caregiver call button sends a signal to a receiver, the pager will sound an alarm, and the built-in LED indicator light in the SOS area will flash red to remind caregiver, drawing the caregiver attention via a visual or audible chime alert. The caregiver pager has a choice of 12 ringtones and 4 adjustable volume levels from 0db to 90db. Silent mode with LED flash is available [Easy to Set]The caregiver pager is connected to a power source via USB CABLE to keep running, and can be used easily (Plug and Play) without batteries. When the phone is paired with a pager, the number of accessories can be increased by setting on the mobile APP according to specific needs (Supporting 200 wireless accessories, the pager name can be set, easy to distinguish different call button holders) [Widely Application-Emergency Pager]The life alert system is and portable, with a lanyard design that can be hung around the neck or put into a pocket. Suitable for paralyzed patients/disabled/elderly monitoring / inconvenience of movement / nighttime discomfort / accidentalfalls / hospital bed care / pregnancy care etc. Material: ABS colour: as shown Package Contents: 1 x emergency caller 1 x USB cable 2 x button 1 x English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.