ADT Inc. provides security, interactive, and smart home solutions in the United States. It offers burglar and life safety alarms, smart security cameras, smart home automation systems, and video surveillance systems to detect intrusion; control access; sense movement, smoke, fire, carbon monoxide, leaks, temperature, and other environmental conditions and hazards; and address personal medical emergencies, such as injuries or unanticipated falls. The company also provides routine maintenance and the installation of upgraded or additional equipment; personal emergency response system products and services to sustain independent living; Google Nest doorbell, mesh Wi-Fi, and Google indoor and outdoor cameras; and application for self-setup DIY smart home security products.