Battery-Free Wireless Doorbell STKK 16 B1 Kinetic Doorbell IPX4

Silvercrest radio doorbell kinetic STKK 16 B1

2 signal options: optical, acoustic and optical.
Kinetic, no battery required
16 ringtones and 4-level volume control.
With receiver for convenient plugging into the socket.
Transmitter splash-proof according to IPX4.
Includes mounting hardware, 5 interchangeable name tags
With 2 LEDs (for signal and sync display)
Range: 100 m (outdoor) – Frequency: 433 MHz
Box contents: wireless doorbell, bell, 2 dowels and 2 screws,