Feature:1. Small size multi-function, anti-theft alarm + doorbell + elderly call.2. Built-in 12 alarm sound any choice.3. Hear and Know: The mobile phone can choose any region prompt tone (such as: different alarm sounds in the elderly room, living room, children\u0027s room, etc.).4. Support 200 channels of wireless learning accessories (such as RF door magnet, doorbell button, intrusion infrared, SOS distress button, wireless water range, etc.)5. Full Moblie App Monitoring: At home and out, everything is in your hands, rest assured.6. Burglar Alarm: When the doors and windows are opened, an alarm sound is issued to intimidate and the mobile phone APP alarm.Specification:This is a combination of WiFi + RF technology to develop multi-functional pager, mainly used in the elderly distress call, door and window open call, doorbell prompts, etc., support for cell phones to choose different music call sound, remote cell phone APP full control.Features:Small size multi-function, anti-theft alarm + doorbell + elderly call. Built-in 12 alarm sound any choice. Hear and Know: The mobile phone can choose any region prompt tone (such as: different alarm sounds in the elderly room, living room, children's room, etc.).Support 200 channels of wireless learning accessories (such as RF door magnet, doorbell button, intrusion infrared, SOS distress button, wireless water range, etc.)Full Moblie App Monitoring: At home and out, everything is in your hands, rest assured.Burglar Alarm: When the doors and windows are opened, an alarm sound is issued to intimidate and the mobile phone APP alarm.Specifications:Material: ABSOperating Voltage: 5VStatic Current: ≥60mAAlarm Current: ≤200mAWireless Frequency: 433.92MHzWi-Fi: IEEE 802.11 b/g/n 2.4GBattery Power Duration: 4 hoursWorking Temperature: -10~50Number of Wireless Detectors: 200Wireless Protocol: 1527Wireless Reception Distance: 100 meters in the openItem Size: 85 * 85 * 23mm / 3.35 * 3.35 * 0.91inItem Weight: 98g / 3.45ozPackage Weight: 288g / 10.16ozPackage Size: 13.5 * 11.5 * 6cm / 5.31 * 4.53 * 2.36inPackage List:1 * Smart Wireless Caregiver Pager3 * Pair of Wireless Door Detector1 * Remote Control1 * USB Cable2 * Screw2 * Anchor1 * User Manual (English)Package List:1 * Smart Wireless Caregiver Pager3 * Pair of Wireless Door Detector1 * Remote Control1 * USB Cable2 * Screw2 * Anchor1 * User Manual (English)