Distance Meter Ultrasonic Measurer (CB-1005)

Features:
  Fast and accurate measurements from 0.91-15m
  Area and Volume calculate function
  Reading in imperial or metric systems
Specifications:
  Power supply : 9V Battery
  Measure units: Ft-in or meter
  Accuracy: ±0.5%(in still air)
  Frequency: 40KHz
  Range: 0.91m to 15m
  Working temperature: 0ºC~43ºC
  Dimensions: 142(mm) X 73(mm) X 47(mm)
  Weight : about 145g(without battery)
  With laser point