






Remote Door Alarm with Three Alert Modes
Hear when a door opens or stays open with a local magnetic alarm and remote control.
✅ Choose the alert for the entrance - Welcome, open-door reminder and alarm modes suit different local uses.
✅ Arm or disarm from the remote - The supplied wireless control changes the alarm state without reaching the sensor.
✅ Fit without routing alarm cables - The two-piece contact mounts with the supplied double-sided tape.
An audible reminder at the door
A welcome chime can announce entry, while the open-door reminder helps draw attention to a door left ajar. Choose the mode that suits the room and make sure people nearby understand the sound.
Align the sensor and magnet on a suitable clean surface, then test opening and closing before normal use. This is a local audible alert rather than a monitored security service; keep batteries fresh and check operation regularly.







Technical details
- Model reference: ER-YKMC
- Wireless control: 433 MHz RF
- Modes: welcome / open-door reminder / alarm
- Power: 1.5 V AAA batteries, not included
- Includes door detector, remote, tape and manual
Add a clear local door-opening alert.
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