Intercom System
Visitor communication before letting someone in.
Self-contained WiFi doorbell cameras for a single door.
Video Doorbell is a consumer, single-unit category — a WiFi camera-and-speaker doorbell that pairs with a phone app, distinct from a full Intercom system (which uses a separate door station and indoor monitor, and is usually wired rather than WiFi). It's the retail counter item dealers move alongside Smart Home stock.
Buyers asking for "a doorbell camera" almost always mean this category; buyers asking for "an intercom for my gate" almost always mean the wired Intercom system above — worth confirming before quoting.
WiFi video doorbell units.
EZVIZ.
Visitor communication before letting someone in.
Automation hubs, smart locks and app-controlled sensors.
Tell us your requirement and category before WhatsApp opens — it saves a back-and-forth. General enquiry routes to Helen; procurement/bulk orders route to Purchasing.