Product Features: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.Product Specification: Material: ABSSize: 144x74.5x32.3mmResolution: 1280*720Field of Angle View: 140IR LED: 6*850mmWi-Fi: IEEE 802 11 b/g/nAudio: Two-way Talk With Noise CancellationStorage: 8G/16G/32G(Not Included)Power Source: 3 x 18650 Specification Batteries(Not Included)Monitoring: Device Button, Motion Detection, Remote Live ViewNotification Function: Push Notifications within 2 secondDevice Wakeup: Within 600 msPower Consumption: Power Consumption Standby 200A, Working 170mABefore You Start (Please fully charge before using the doorbell)1. Download and install Aiwit App. Scan the QR code or searchFor Aiwit on the Apple App Store or Google Play. Download and install the app.2. Create an Aiwit account. Set up your device in the Aiwit app.To pair your device, follow the steps below and in-app instructions.1. Open Aiwit App and log in to your account.2. To add your camera, select the + icon.3. Select Video Doorbell.4. Press and hold the Doorbell Button until the red light is flflashing, tap Next, then tap Yes.5. Enter your 2.4GHz Wi-Fi network and the Wi-Fi password, then tap Next (5GHz is not supported).6. Use your device camera to scan the QR Code shown on the app, then select Confirm once the Wi-Fi setup has finished.WARNING:If your device is capturing an excessive number of events every day, you might need to recharge your battery sooner. Plus,the battery is also drained each time you use the Live View to look or speak through your doorbell.To prevent excessive events, you can adjust your motion settings to a lower sensitivity.Package Included: (No battery included)1 x WIFI Doorbell4 x Screws4 x Installing Accessories1 x Wrench1 x Sticker1 x User ManualNote:There is a leak-proof gasket at the bottom of the battery, please remove it before use.Not applicable to SD card slot