Which Leica Disto laser distance meter is right for me?

    D2 E7300 E7400x D330i E7500i D810 Touch
Specifications Indoors
Outdoors     Limited  
Distance 197' 265' 265' 325' 650' 660'
Accuracy ±1/16"
±1.5 mm
~1/16"
±1.0 mm
~1/16"
±1.0 mm
~1/16"
±1.0 mm
~1/16"
±1.0 mm
~1/16"
±1.0 mm
ISO 16331-1   Yes Yes   Yes Yes
IP Rating IP54 IP65 IP65 IP54 IP65 IP54
Dust Proof
Splash Proof
Jet Wash Proof        
Batteries 2 AAA 2 AAA 2 AAA 2 AAA 2 AA Li-ion rechargeable
Tripod Thread 1/4" x 20 1/4" x 20 1/4" x 20 1/4" x 20 1/4" x 20 1/4" x 20
Battery Life Up to 5,000 measurements with high quality batteries Approximately 4,000 measurements
Memory Locations 10 10 20 20 30 ???
Functions LCD Display          
High Contrast Display      
Color Pointfinder Display        
Touch Screen          
Area
Volume
Perimeter    
Pythagoras (Indirect)
Triangles area/angle    
Stake Out
Trapezoid        
Constant Value         ???
Offset         ???
Multi-Function Endpiece Manual Automatic Recognition of Position
Tilt Sensor
Based Functions
Tilt Sensor    
Checking Levels     ±360° ±45° ±360° ±360°
Horizontal Offset     ???
Indirect Heights       ???
Double Tilt         ???
Profile         ???
Data Transfer
(Confirm with Leica
for latest updates.)
Bluetooth       2.0 4.0 Smart 4.0 Smart
Disto Transfer
(Windows/Android)
      Yes No ???
Disto Sketch Application       Yes
(Android)
Yes
(iOS Only)
Yes
(iOS and Android)