Units: m/in/ft/ft+in
Accuracy: ± 1.5mm     
Laser class: class 2            
Wavelength: 620~690nm, <1mw Aluminium alloy
Lithium battery, 350mAh
Battery life cycle: 6000 times  
Protection: IP54              
Data storage: 20 groups        
Net weight: 65g            
Dimension: 8x3x2cm          
Packing Size: 11.5x7x5cm  
Touch screen: Y            
Bluetooth: Y         
Connect with our APP: Y    
USB charge: Y           
USB data transmission: N      
Single measure: Y              
Time measure: Y            
Continuous measure: N    
Auto height measure: Y    
Auto levemeasure: Y           
Area measure: Y               
Volume measure: Y           
Pythagoras(2-point): Y        
Pythagoras(3- point): Y       
Point to Point measure: Y