Built for Apartments
With SIP support and capacity for 20,000 users and 10,000 cards, the VTO6521H scales to multi-tenant buildings. A 4.3-inch IPS display guides visitors through calling and access.
Clear 2MP WDR Video
The 2MP CMOS sensor with true WDR keeps faces sharp against backlight and glare, and auto light illumination improves visibility at night while reducing light pollution.
Flexible Access Control
Residents and visitors can enter via password, IC card or remote unlock from the management platform or app. Full-duplex audio makes conversations natural and clear.
Secure & Tamper-Aware
Built-in duress, tamper and door-sensor-timeout alarms keep the entrance protected, while the touch button and IP65 housing handle heavy daily use outdoors.
Is this suitable for apartment buildings?
Yes. The VTO6521H supports SIP and up to 20,000 users with 10,000 cards, making it well suited to multi-tenant entrances.
How can visitors unlock the door?
By password, IC card, or remote unlock from a paired indoor monitor, the management platform or the app.
Does it have a screen?
Yes — a 4.3-inch IPS display (800×480) guides visitors through calling and access at the door.
What security alarms are built in?
Duress alarm, tamper alarm and door-sensor-timeout alarm help keep the entrance protected.
Is this NDAA compliant?
No. Dahua products are not NDAA Section 889 compliant. If you need NDAA-compliant equipment for US federal or critical-infrastructure projects, contact our team about Uniview, Hanwha or Axis options.
