Windesign Digital regatta timer - This unique water resistant starting timer has huge 30 mm digits and a synchronize function in case you missed a signal. Beeps during the last minute every 10 seconds and during the last 10 seconds every second. Sound is on/off switchable. -Water Resistant (IP67) - Quick set/reset - Rigid casing with 3m velcro fixing - Replaceable AAA battery - Dimension : 90 x 76 x 23 mm - Auto shut-off. We developed a universal timer bracket. You can now fix the timer anywhere you want. Screw the bracket to a flat surface or fix it on a mast or boom with the provided back to back velcro strap. The bracket can also be fixed to an airbag strap of an Optimist dinghy.