Tech Online is a Vietnamese technology retailer specializing in equipment and solutions for security, connectivity, smart homes, and audio. The company serves customers through offices in Hanoi, Ho Chi Minh City, and Da Nang, and provides sales contact by phone and email. Its extensive range includes surveillance cameras and recording systems from brands such as Imou, Ezviz, Dahua, Hikvision, and TP-Link Tapo, alongside camera kits, storage, and accessories.

Networking products cover routers, Wi-Fi systems, switches, access points, mobile hotspots, and equipment for office and enterprise networks. Tech Online also offers fingerprint and smart locks for different door types, smart-home devices, video doorbells, sensors, lighting, and household automation products. Security and access-control categories include time-attendance systems, biometric and card access, automatic barriers, alarms, and fire-safety equipment.

Other offerings include public-address and professional audio systems, storage drives and memory cards, televisions, computer monitors, solar-powered devices, air purifiers, and robot vacuums. The website also highlights professional installation, positioning Tech Online as a supplier for both individual households and business projects