Wifi Wireless Smart Doorbell Intercom Video Security Camera for Home with Two-Way Audio, 90-Degree Wide-Angle Lens, Motion Detection, Night Vision, and Remote Viewing via Smartphone App Item model number: M5 Lens: 90-degree viewing angle Battery: 400 mAh, up to 2 months of battery life Power input: 5V-2A Human body induction: Optional Storage: Supports microSD card up to 64GB (card not included) Audio: Two-way intercom with noise cancellation Recording range: Up to 5 meters Wireless connectivity: Wi-Fi IEEE 802.11b/g/n 2.4 GHz, RF 433 MHz System compatibility: Android 4.3 or later, iOS 9.0 or later USB interface: Micro-USB 5P / DC 5V-1A Compatible app: ULooka Features: 1. 400 mAh battery capacity 2. HD resolution with 90-degree wide-angle lens 3. Mobile phone remote wake-up in under 1 second 4. 2.4 GHz Wi-Fi connectivity 5. High-quality two-way audio with noise cancellation 6. Supports PIR motion detection with instant mobile push notifications 7. Automatic day and night mode switching for clear video in low light 8. Works with ULooka app for stable connection and operation Package Included: 1 x Smart Doorbell 1 x Ding Dong Chime 1 x USB Cable 1 x User Manual