Self‑Powered Transmitter No Battery Required – Press the button to generate electricity; no batteries ever needed Zero Standby Power – Consumes no power when idle No Wiring – Completely wireless installation, place anywhere Ultra‑Compact Size – 68 × 34 × 17 мм, lightweight and discreet Durable – Designed for long‑term use with no consumables Plug‑In Receiver – Multiple Options Universal Plug Compatibility – Available with US, …