No Monthly Fee: WUUK Smart Doorbell Pro System comes with Base Station (hub) to provide powerful, signal-enhanced Wi - Fi and free built-in encrypted data storage. You never have to pay for cloud storage that could cost you at least $39.99 on annual base. 4:3 Head-to-toe View in 2K HDR: know what's happening at your front door using Live View, 2-way audio or check Event Playback on your feature-rich mobile phone app, high contrast IR night vision with vivid details even in the dark. 5 Minutes Install & Setup: link to Wi - Fi router via Ethernet cable, WUUK camera doorbell wireless system builds its own 2.4Ghz network. Wired or wire-free, no drilling is required. The doorbell with camera on average lasts 2-3 months per charging circle. Next-Level Detection for Front Door Camera: radar and sensors in the door bell cameras smoothly work with house-built AI algorithm, allows you to set activity zones and customize which events it detects - whether humans, cars or animals. Get alerts for only the events that matter to you. Expandable Security Camera Doorbell System: Up to 8 wireless doorbell camera or outdoor security cameras from WUUK could be paired with one Base Station to customize your own home security cameras system, all controlled in one WUUK app. It’s a perfect mix of form and functions elegantly designed around an advanced smart camera of 2304×1296 HD resolution, with PIR motion sensor Radar Sensor, and IR Night Vision. Get notifications when motion is detected and view live video on your phone. WUUK Doorbell offers 3 options to install your doorbell up to your choice - use the 3M adhesive tape on the back, use the screws included to secure the device or you could use your existing doorbell wiring for continuous power. WUUK gives your home or business 24-hour professional-level wireless security, reliability, and convenience without hidden storage fees or expensive monthly subscriptions. WUUK Smart Doorbell is Alexa compatible and supports both i - OS and Android with app download available on i - Phone App - Store and Google Play. Note: WUUK Doorbell works with 2.4Ghz Wi - Fi network or router.