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, …

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 Compact Size – 81 × 46 × 26 мм, lightweight and discreet Durable – Designed for long‑term use with no consumables Plug‑In Receiver Universal Plug Compatibility – Available with US, Великобритания, or EU …

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 Compact Size – 81 × 46 × 25 мм, lightweight and discreet Durable – Designed for long‑term use with no consumables Plug‑In Receiver Universal Plug Compatibility – Available with US, Великобритания, or EU …

Self-Powered Transmitter No Batteries Required – Press the button to generate electricity, eliminating battery replacement Wireless Technology – 433.92MHz frequency for reliable transmission Transmission Range – Up to 100 meters in open area Compact Design – Φ55×20mm, easy to mount on any door frame Receiver with Rich Features 36 Built-in Ringtones – Choose from a variety of melodies 8 Adjustable Volume Levels – From mute to …