Distance meter: 0.91至18.288m
Accuracy: ±0.5% 
Metric-inch interconversion  √ 
Wworking condition  0°至43℃
Laser positioning  √ 
Show-Low power  √ 
Calculate Area and volume  √ 
Calculate length accumulate  √ 
Automate/hand power off √ 
LED backlit display √ 
Response time  2s 
Measure Establishment Standards  √ 
Working frequency  40khz 
KEY BEEP,wrong beep and confirm beep  √ 
Power supply  9V alkaline cell (6F22)
LCD size  56*28.3mm 
Product color   darkgray+yellow
Product weight（don’t include the battery） 144.6g
Product size  142*73*47mm