As of the start of 2025, the existing 1Z-RX single zone wireless controller for the AC/ACR/ACT Mini air curtain range has been changed from battery powered(wireless) to mains powered (wired). The current version of the 1Z-RX is therefore wired: https://www.reznor.co.uk/product/1-zone-wired/.
Is part number 1Z-RX wired or wireless?
General technical information about Reznor's products