Mount the transmitter on inside of door as doorknock (vibration button) or outside of door as doorbell (push button).
Products
Krown Door Knock Transmitter
$49.95 Retail
Frequently Bought Together
- Mount on the inside or outside door
- Transmit to KA300RX and/or KBS300RX, KA1000 and KA1000RR
- Battery include, good for up to 2 years
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