Wireless Door Contact Alarm with Separate Receiver

Announce opening of a monitored door through a separate wireless receiver.

Door-opening alerts through a separate unit

✅ Place the audible alert nearby - The receiver sounds when a paired contact sensor detects opening.

Product details

• 433 MHz communication
• Receiver uses three AA batteries or USB 5 V supply
• Contact sensor uses one AAA battery
• Complete sets and separate sensor or receiver options
• Contents vary by selected variant

Choose the complete set or component for your setup.