[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.<br> [Mobile phone control] After pairing Tuya with Smart Life APP, you can monitor in real time through your smartphone.<br> [Applicable people] The multi-function pager is suitable for children, the elderly, pregnant women, patients, disabled people, etc.<br> [Small and light] Small and light, it can be used in various scenes. Just hang it around your neck or on the with double-sided tape.<br> [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)<br> [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.<br> [Low battery reminder] Enable the low battery reminder function in Tuya Smart App to find out that the battery is too low in time.<br> [Device sharing] Through the device sharing function, it can be shared with member.<br> Quantity:1 PCS<br> Standby current:0.1μA<br> Average current:12mA<br> Built-in battery:polymer battery 3.7V/400mAh<br> Charging time:less than equal 1 hour<br> Wi-Fi:2.4G<br> APP:Smart Life (tuya)<br> Product size:50x50x16mm<br> Product weight:25g<br> Colour:White<br> Material:ABS<br> Package Contents:<br> 1 * Elderly SOS Button<br> Only the above package content, other products are not included.<br> 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.