![Wireless](https://relaypros.com/photos/zigbee_relay/r85pl_802154_side-360.jpg)
Wireless Relay Switch at a Glance...
- 8 Relays Installed on a Circuit Board
  - Highly reliable under almost any conditions - Onboard 802.15.4 Interface Module
- Requires 802.15.4 Modem
- Modem Mounts as a Virtual COM Port - Reliable 300' standard module
- 1 Mile Module Available - ProXR Lite Versions
- Industry Leading Command Set
- Not Expandable - ProXR Versions
- Industry Leading Command Set
- Expandable to 256 Relays
Selecting The 802.15.4 Interface
![USB Relay ZUSB Module](https://relaypros.com/photos/zigbee_relay/802154_module-150.jpg)