M3s Wireless Wi Fi Video Door Bell. Features: Million Pixels Collocated with 166 Degree Wide-angle Lens Support Mobile Phone Remote Fast Wake Up Device Within 1 Second. 2.4G Wi-Fi Connection High Quality Two-way Talk with Noise Cancellation Support PIR Motion Detection, when Someone Hovers at the Door, Immediately Alerts Push Notifications to the Mobile Phone. Day and Night Mode Automatic Switching, Whether Day or Night, the Image is Clearly Visible, for Your Safety and Family Security Specification Resolution: 1280*720 Field of Angle View: 166 IR LED: 6*850mm Wi-Fi: IEEE 802 11 B/g/n Audio: Two-way Talk with Noise Cancellation Recording: Device SD Card Recording(20 Seconds) Storage: 8G/16G/32G(not Included) Battery: AC Input/3 X 18650 Specification Batteries(total 6800mAh, Work Regularly for 6 Months.) (Not Included) Monitoring: Device Button, Motion Detection, Remote Live View Device Wakeup: Within 600 Ms Power Consumption: Power Consumption Standby 200A, Working 170mA Specifications: Answering Mode: TELEPHONE Camera Sensor Type: CMOS Display Size: Other Display Screen Type: Color Material: ABS Viewing Angle (): Other Size: 144*75*33mm Plug Type: EU Plug Plug Type: US Plug Plug Type: UK Plug Power: Two Pieces Battery Model Number: MSB M3S IP Camera Interface: No Samrt Home Interface: No Kit Configuration: Other Installation: Wall Mounting Resolution: Other Doorbell: Yes Technology: DIGITAL Camera: B/W Type: Entrance Machine Power: 220v Connection Type: Wireless Waterproof: No . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.