Features: Easy to use, one button alarm and push notification to phone, help to prevent accidents. Full process mobile APP monitoring, push mobile phone app notifications when the button is pressed. Built-in rechargeable polymer battery, with low power consumption, and long standby time. After paired with Smart Life APP, it allows you real time controlling by smart phone, and supports shared by multiple people. Smart caregiver call button, supports 2.4GHz WiFi, and 10m wireless range. Mini size and lightweight, just hang it on neck or stick it to the surface via double-sided tape. Multifunctional pager is suitable for kids, the elderly, pregnant women, patient, disabled and more. Specifications: Quantity: 1pcs / 2pcs (Optional) Material: ABS Standby Current: 0.1A Average Current: 12mA Internal Battery: Polymer battery 3.7V / 400mAh Charging Duration: 1 hour Wi-Fi 6: 2.4G 802.11 B/G/N20/N40/AX20 APP: Smart Life Item Size: 50 * 50 * 16mm / 1.97 * 1.97 * 0.63in Item Weight(each button): 28g / 0.98oz Package Size: 7 * 6 * 3cm / 2.76 * 2.36 * 1.18in Package List: 1pcs 1 * Emergency Button 1 * Neck Strap 1 * Adhesive Tape 1 * Type-C Cable 1 * Manual (English) 2pcs 2 * Emergency Button 2 * Neck Strap 2 * Adhesive Tape 1 * Type-C Cable 1 * Manual (English)