Specification:

Measure range: 0-35m                                          

The smallest unit of display: 1mm                                                                                       

The laser function: Less than 1mw                                

The laser wavelength: 635nm                                    

The minimum continuous measurement: Yes                       

Area/volume measurement: Yes                                  

Triangle indirect measurement: Yes  

Voice prompt: Yes   

Automatic shutdown time: 150s

Operating temperature range: 0 ºC - 40 ºC 

The biggest battery life: 5000times

Accuracy of measurement: ±2mm   

Storage temperature range: -20ºC - 60 ºC

Store humidity: RH85%

Battery: 1.5v 2x AAA

The dimensions: 22 X 35 X 150 MM