Product Features: 100% Brand new and high quality. Support WiFi and APP Function, it can be applied for Android, iOS APP Software. MOTION DECTION: Get instant alerts when visitors press your doorbell or trigger the built-in motion sensor, you can watch real-time videos on your smartphone. Support real-time video and audio chat with visitor. Support picture snapping and video recording function. Support night vision and built-in IR-CUT technology, available day and night. Rainproof: The doorbell can be installed outdoors, and you are no need to worry about it is drenched by rain. When a visitor presses the doorbell sound is activated and the camera will start sending real-time images and call to the cell phone. The user will receive the call to check who the visitor is, and then intercoms with the visitor and remotely unlocks the door. Note: Memory card is NOT included in the package. Product Specification: Type: Doorbell Camera Material: ABS plastic + electronic components Size: 5.7x2.95x1.06inch(14.5x7.5x2.7cm) Installation method: door wall installation Resolution: 1280x720 Field of Angle View: 166° IR LED: 6x850mm 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(Max)(not included) Battery: AC Input/2 x 18650 specification batteries Monitoring: Device Button, Motion Detection, Remote Live View Notification Function: Push Notifications within 1 second Device Wakeup: Within 600 ms Power Consumption: Power Consumption Standby 200μA, Working 170mA Package Includes: 1 x WIFI Doorbell 1 pair x Battery 4 x Screws 4 x Installing Accessories 1 x Sticker 1 x User Manual