Product details of Mercury-Free Digital Thermometer With Transparent Storage Case Accurate measurement - measures actual temperature in degC and degF 60 seconds fast readout with One Touch Operation Auto On/Off Accurate and Reliable Clinically Tested 100% Mercury-free Large Display for Easy to Read Battery Cap Battery Preinstalled & Easy to replace when required. About this itemAccurate measurement - measures actual temperature in degC and degF 60 seconds fast readout with One Touch Operation Auto On/Off Accurate and Reliable Clinically Tested 100% Mercury-free Large Display for Easy to Read Battery Cap Battery Preinstalled & Easy to replace when required About this itemAccurate measurement - measures actual temperature in degC and degF 60 seconds fast readout with One Touch Operation Auto On/Off Accurate and Reliable Clinically Tested 100% Mercury-free Large Display for Easy to Read Battery Cap Battery Preinstalled & Easy to replace when required