Wireless Technology: 2.4 GHz FHSS (for Local Viewing) Wireless Connectivity (for Remote Viewing) - Requires wireless connection to the internet and acompatible viewing device. 5-Inch Diagonal Color Screen with Digital Zoom, Two-Way Communication, Room Temperature Display, Infrared Night Vision, and High Sensitivity Microphone Ergonomic Parent Unit, up to 1000ft Range with Out-of-Range and Low Battery Alerts and frequency range 2.4GHz to 2.48 GHz Includes 5 Lullabies Additional Features with Hubble Connected - View on Compatible Smartphones, Tablets, and Computers. Sound, Motion, and Temperature Notifications. Motorola is America's #1 baby monitor brand in America (2017 revenue data). Pairing can be affected by other devices in range, the device being used as well as any obstructions in the range of communication