Another version of the egg timer I had before I got the Mk1 & Mk2 versions of the hour guard, called “Drivertimer” had 3 countdown clocks that you could set to 4.5hrs, 9hrs, & 10hrs.
you could store these in the memory so you can reset for the next day, and sounds an alarm when each of these run out, you could also slide a switch on the side. and it would become a clock/stopwatch to count up your 15,30.45 breaks.
it sits in a stainless steel bracket that you can you tyrap or screw down, & is designed to stop you hitting any button other than stop/start
runs on 1 AA battery that lasts 9-12 months and as a agy driver fits in my top pocket (L85mm x W65mm x D 20mm)
I`m still using it alongside the Mk2 & its outlasted the Mk1 & Mk2 versions of the hour guard
dunno if they are still flogging em, but they where a based near Norwich tel;01263 78077
to keep an eye on my RTD average I just keep my hours on a MS exl spreadsheet that I set up to calculate my hours/wages
Clarky:
off to tesco to but a value egg timer!
you could always get a “bigtimer” £8.75 from RHA shop or any truck stop