【One-Touch Alert】Instantly trigger an alarm and send notifications to your smartphone, helping prevent accidents and providing real-time monitoring through the mobile app. 【Smart Home Integration】Compatible with Tuya and Smart Life apps, allowing seamless control and monitoring via your smartphone for enhanced security and convenience. 【Versatile Protection】Ideal for children, elderly, pregnant women, patients, and individuals with disabilities, offering peace of mind in various scenarios. 【Compact and Portable】Small, lightweight design for easy carrying or mounting. Wear it around your neck or attach it to surfaces with double-sided adhesive for quick access. 【Smart Linkage】Can be used in conjunction with other Smart Life app devices to trigger alarms and automate safety responses. (Not include additional devices) 【Long-lasting Battery】Built-in 400mAh rechargeable polymer battery ensures low power consumption and extended standby time, lasting 3-6 months on a single charge. 【Low Battery Alert】Enable low battery reminders in the Tuya Smart App to stay informed about the device's power status. Specifications: Material: ABS Standby current: 0.1μA Average current: 12mA Built-in battery: polymer battery 3.7V/400mAh Charging time: ≤1 hour Wi-Fi: 2.4G APP: Smart Life (Tuya) Product size: 50 x 50 x 16mm