[Easy to use] One-touch alarm and push notification to mobile phone, which helps prevent accidents. Full mobile app monitoring, sends push notifications to the mobile app when the button is pressed. [Mobile phone control] After pairing with the Smart Life app, you can monitor in real time through your smartphone. [Applicable users] The multi-function pager is suitable for children, the elderly, pregnant women, patients, and disabled individuals. [Compact and lightweight] Small and light, it can be used in various scenarios. Simply hang it around your neck or attach it to a surface using double-sided tape. [Smart integration] Can be used in conjunction with other Smart Life app devices to trigger alerts. (Integration devices sold separately) [Extended standby time] Built-in 400 mAh rechargeable polymer battery with low power consumption and long standby life. One charge lasts up to 3-6 months. [Low battery alert] Enable the low battery alert function in the Smart Life app to receive timely notifications when battery levels are low. [Device sharing] Use the device sharing feature to share access with family members. Quantity: 1 PCS Standby current: 0.1A Average current: 12mA Built-in battery: Polymer battery 3.7V/400mAh Charging time: Less than or equal to 1 hour Wi-Fi: 2.4G App: Smart Life (Tuya) Product size: 50x50x16mm Product weight: 25g Color: White Material: ABS Package Contents: 1 * Elderly SOS Button Only the above package content; other products are not included. Note: Light reflection and different displays may cause slight color variations between the item in the picture and the actual product. Measurement error allowed is +/- 1-3cm.