ZKTeco VTOO-B21L IP Indoor Intercom Unit

The ZKTeco VTOO-B21L is an indoor intercom unit operating over the IP protocol with PoE power support. It provides digital audio communication and remote door lock control. A stable, functional solution designed for fast integration into a centralized IP infrastructure.

An excellent choice for convenient and reliable communication in private homes, apartments, and offices.

| Feature | Value |
|---|---|
| Control Buttons | Buttons for door lock release and volume adjustment |
| Audio | Built-in HD microphone and speaker |
| Power | PoE (802.3af) or DC 12V / 1A |
| Network | 1x adaptive 10/100 Mbps RJ45 port |
| Communication Protocol | Standard SIP 2.0 |
| Dimensions | 180 x 90 x 34 mm |