Digital technology 
3.5 inch TFT color LCD 
Washable 
Waterproof(Main Unit--XP4,Probe--XP7) 
Simple to operate 
All in one, no cable 
3hrs continuous operation 
2 years warranty 
Size: 171×93×62 mm
Weight: 500g including the batter

Technical Specification :

Monitor:digital 3.5 inch TFT color LCD
Probe:Multi-frequency mechanical sector probe
Scan Frequency:2.5MHz, 3.5MHz, 5.0MHz
Display Depth:MAX--160mm
Scan Angle:78 degree
Gray Shade:256 levels
Measurement:Distance, Area, Volume, Heart Rate
OB Measurment:Swine-HL, Equine, Bovine-BL,SL,HL, Sheep-USD,Cat-HD,BD, Dog-BD, GSD, CRL,HD, BD
Permanent Storage:128 frames
AC-adapter:110V~240V, 50/60Hz
Battery:(1550mAh) Internal rechargeable battery
More than 3hrs for continuous operation
less than 3hrs for recharging