VOCA Smart WiFi Wireless SOS Pager, Call Button and Watch, Panic Button, Emergency, Alarm for Vulnerable Adults, 2.4G WiFi, 1 Receiver & 1 Call button & 1 SOS watch & 1 Pull Call button 【Easy to Use】This pager is an excellent item for the elderly, patients, and disabled individuals. With a few simple settings, plugged with a Type-C cable, connected to 2.4G WiFi, and the pager is ready to use. 【Sharing & Subscription fee】By enabling the sharing function in the app, everyone on the sharing list can receive alerts via push notifications. Please note that a subscription fee is required if you want to receive phone calls or SMS messages. 【High Volume & Display】3 levels of volume adjustment, and multi-ringtone to select on the pager, no need for setting on the mobile phone.