digital thermometer: 1,numerical display,easy to read result 2,testing precision 3,portable 4,CE,CCC,ISO etc.certificates digital themometer: ... of the beep sound prompt. Products Name:digital thermometer, (electronic thermometer, numerical showing thermometer)Item No.D01D02D03Structure design Firm tip Firm tip ( ... getting the result quickly4,no mercury threat5,buzzing indicative digital thermometer