Instant Emergency AlertPress a button to send an instant alert to a preset contact, caregiver, or emergency service WiFi ConnectivityConnects to your home WiFi network for fast and reliable communication Seamless IntegrationCompatible with popular smart home platforms such as Tuya Smart, Amazon Alexa, and Google Assistant Long-lasting BatteryEquipped with a long-lasting battery, it can be used for months on a single charge User-friendly DesignSimple and intuitive operation interface, suitable for users of all ages Remote MonitoringReal-time monitoring of button status via mobile phone APP to ensure normal operation of the device Multi-purpose ApplicationSuitable for the elderly, children, people with disabilities, or people who need special care Specifications: Connection method: WiFi Operating frequency: 2.4GHz Battery type: 400mAh Rechargeable lithium battery Battery life: Several months on a single charge Operating temperature: 0 to 40 Operating humidity: 10% to 90% (non-condensing) Waterproof level: IPX4 Dimensions: 52mm diameter x 15mm thickness Weight: Approx. 50g Package included: 1 x SOS Emergency Button 1 x Double-sided Adhesive Tape 1 x Micro USB Cable 1 x English User Manual