* Applicable to measure the thickness of many materials, e. g. Steel,  Cast iron, Aluminum, Red copper, Brass, Zinc, Quartz glass, Polyethylene, PVC, Gray cast iron, Nodular cast iron.

SPECIFICATIONS
Display:      4 digits, 10 mm LCD
Range:        1.0~225mm (45# steel )
Resolution: 0.1 mm/0.001inch
Accuracy:  ±(0.5%n+0.1)
Sound velocity: 500 ~9000 m/s
Power supply: 4x1.5V AAA (UM-4) battery
Operating condition:
Temp. -5~45℃
Humidity <80%
Size:           120x62x30mm 
(4.7x2.4x1.2inch)
Weight: about  164g (not including batteries)  
Accessory:
Carrying case......................1 pc.
Operation manual...............1 pc.
Ultrasonic sensor................1 pc.

Bluetooth interface
Optional accessories:
Cable & software for RS232C