reversing alarm 12-80V with 2 functions (BE BE tone and broadband noise)

working voltage: 12V to 80V

maximum volume: 107dB

emits an intermittent tone of about 90x-100x / 1min or intermittent broadband noise (so-called white noise)

protection: IP67

working temperature: -30C to + 60C

homologation. ECE R10, CE

wiring:
black: minus
red: plus (intermittent tone is set by default)
yellow: by connecting to the black wire for 3-5s the intermittent tone is changed to broad spectrum noise, by repeated connection it switches back
white: permanent connection to the black wire turns off the warning tone after 3s, disconnecting from the black wire turns the tone back on