Welcome Chime Wireless Infrared PIR Motion Sensor Door Bell Alarm Entry Bell Set

1 Pcs PIR Transmitter. 2️⃣Press “M ” key --> 🔔 Doorbell Mode --> Press “🎵 ” key --> Choose a ringtone (36 ringtones). For indoor use only. Low battery indication. Wireless range: 280m/918ft (Open Space).

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