Features: * Digital Receiver: The receiver adopts digital display, you can clearly know the location of the call signal, suitable for home, hospital, nursing home, service agency, etc. * No distance limit: This advanced nursing pager adds new features to traditional pagers by connecting to Wifi, sending wireless signals to your mobile phone, solving the problem of unlimited signal range, allowing you to receive signals anytime, anywhere. * Easy to set up: You can edit the name of each button on the app, adjust the duration of the ring time/volume level. * No need to pay anything: Connect to the same WIFI, add the call button to the APP in your phone, press the emergency button, and your mobile APP will receive a notification. The receiver is responsive and the signal is stable. Specification: Name: WIFI Digital Display Pager Set Material: ABS Working voltage: 5V Quiescent current: ≤60mA Alarm current: ≤200mA Wireless frequency: 433.92MHz WIFI standard: IEEE 802.11 b/g/n 2.4GHz Working temperature: -10℃~50℃ Host size: 86 * 86 * 22.8mm Button size: 50 * 13mmRound;50 * 50 * 16mmSquare Color: White Packing included: 1 * WIFI Digital Display Pager Set Note: 1. Due to manual measurements and slight color variations, please allow 1-3 cm 0.4-1.18 inches difference to suit different display settings. 2. Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand.