... backlight pulse testing waterproof Production Description New version more functions light yellow color pulse watchHRM-2518Function: pulse,clock,calorie,5 alarms ,stopwatch ... laps,limits alert30 meters waterproof EL back light NameValueBrandKYTO or customizeModelHRM-2518Colorblack , orange , white , blue , yellowTime display12/24HAlarmdaily, 5 alarmsStopwatch35 lapsWater resistant30 ...