12V universal warning relay featuring 72db piezoelectric buzzer. 2 connections (+ve and ground) and simple to install where a warning signal is
0-562-12 12V Low Pressure Warning Buzzer 90db
Guardian Automotive GUGLR4 – Universal Warning Relay with 72db Buzzer (12v) - Bristol Auto Electrical Ltd
Signal Unit - 12V - Acoustic - 85dB(A) - Frequency Range: 325Hz
HELLA Warning Buzzer 12V 325 Hz 3SB004438-141
Backup Warning Alarm Waterproof Buzzer Beeper Construction Horn Car Truck 12V US
1/2pcs Electric Tricycle Relay Turn Signal DC12V 60V 2Pins Buzzer Beep Flasher Relay Blinker Indicator LED Flashers Electric
Buy Relay module semiconductor SSR 2A 1 channel - Botland - Robotic Shop
Buzzers / Beepers – Mid-Ulster Rotating Electrics Ltd
Magnetic Buzzer 3V, 3mm SMT-0540-T-2-R SMD Botland - Robotic Shop
Mimic Components Online Catalogue by Anisa Beeby - Issuu
Lexus ES Horn Buzzer Relay 300h Full Hybrid 131kW (178 HP) 89343-48010 2021 for sale online
KNX Product Manual - iBuilt Automation