[Easy to use] One-touch alarm and push notification to mobile phone, which helps prevent accidents. Full mobile phone APP monitoring, push mobile phone APP notification when pressing the button. [Mobile phone control] After pairing Tuya with Smart Life APP, you can monitor in real time through your smartphone. [Applicable people] The multi-function pager is suitable for children, the elderly, pregnant women, patients, disabled people, etc. [Small and light] Small and light, it can be used in scenes. Just hang it around your neck or on the with double-sided tape. [Smart linkage] Can be used in conjunction with other smart life APP devices to trigger an alarm. (Linkage devices need to be purchased separately, available in stores) [Extra long standby] Built-in 400 mAh rechargeable polymer battery, low power consumption, long standby time. One charge is more than 3-6 months of use. [Low battery reminder] Enable the low battery reminder function in Tuya Smart App to find out that the