Description: Featuring a built-in microphone and speaker with two-way audio capability, the smart video doorbell helps you talk to visitors or warn strangers more easily; it's powered by rechargeable batteries, is waterproof and easy to install. Wireless doorbell camera supports 2.4G Wi-Fi wire-free design, no wires and cables needed. Free doorbell chirps in the room when someone rings the doorbell, you don't need to pick up the phone to know someone is visiting, you won't miss any moment no matter where you are. It is constructed of plastic material. The door bell is 8.8cm in length, 5cm in width, and 2.6cm in height, and the acceptor is 5cm in length, 4.6cm in width, and 1.5cm in height. The product is suitable for home, apartment, indoor, office, etc. Item Name: Door Bell Material: Plastic Features: Easy to Install, Clear Picture, High Resolution Doorbell APP Control, Intelligent Working Mode Smart Home Platform: for Ulooka Network: Support 2.4G WiFi Built-in 800mAh High-capacity Battery 1080P High-Definition Camera Resolution: 640x480 Size Details: Door Bell Host Size: 8.8cm x 5cm x 2.6cm/3.46" x 1.97" x 1.02" (Approx.) Acceptor Size: 5cm x 4.6cm x 1.5cm/1.97" x 1.81" x 0.59" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Door Bell Host 1 x Acceptor 1 x USB Cable 1 x Sticker 1 x User Manual