New Google Nest Doorbell- Wireless

Open Box System Video intercom system - wireless Network Interface IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.11a, Bluetooth LE Wireless Frequency Band 2.4 GHz / 5 Ghz Features 2-way audio, built-in microphone, built-in speaker, PIR sensor, weather-resistant, High Dynamic Range (HDR), 6x digital zoom, magnetometer, 128 bit AES encryption Package Content 2 mounting screws, charging cable (91.4 cm), base plate, release tool, 2 wall anchors, wire connector, wedge screws Power Source Battery