ELEKTROBOCK Wireless doorbell

TECHNICAL PARAMETERS
* Wireless doorbell - network BZ11-21
* The set contains 2x doorbell (receiver) to the 230V network and 1x button (transmitter) on the 12V battery
* The button is paired with the receivers at the factory
* The set contains two receivers for two different locations (hallway, garage), the ringing you will hear in both
places
* Optical transmission signaling on the button
* Designed for medium ranges
Receivers:
* Bell type: wireless
* Power supply: mains (230 V / 50 Hz)
* Volume: 60 dB
* Sound: gong
* Consumption: 2 VA
* Degree of protection: IP20
* Working temperature: 0 ° C to 50 ° C
* Range: 100 m
* Range: 50 m
* Sensitivity: -86 dBm
Transmitter:
* Power supply: 12 V alk. L1028, 23 A
* RF power: <0.02 mW
* Frequency: 433.92 MHz
* Degree of protection: IP 40
* Battery life: about 1.5 years
* Working temperature: -10 ° C to + 50 ° C
* 12V transmitter battery is included