Yeah, I have he buzzer type - it only comes on after about 10 seconds, and is cut if you've got the brake light on. Cost a smidge under £15

I've also fitted an 'off' switch in case I have to use the hazards..

"Y mae dafad ddu ym mhob praidd"
1972 4/4, 1981 MGBGT, 1984 FLHT1340, 1980 XLH1000, 1990 ZX10