inputs.text: irritating tiny specialty screws - good hrm sensitive accurate uses little power 3 star rating battery compartment held shut 4 tiny specialty screws easily stripped stripped no easy way replace thehem much prefer battery compartment design allows open shut compartment using coin never problehem 3 hrms owned previously twist open coin replace battery twist shut no hunting tiny phillps screwdrivers fear stripping screws ehemailed garmin asking replacehement screws aggravating no matter outcome