Description : CP3009 LCD Digital Ultrasonic Laser Pointer Distance Measure Meter The ultrasonic distance measuring meter allows you to measure， store， and calculate distances. It allows you to store 3 different measurements. This function is useful if you want to measure the length， the width and the height of a room. It will turn itself off about 30 seconds without any key Specifications : Brand new and high quality Color: Mainly Black Measure Range: 2 to 60 ft (0.50 to 18.288m) Unit of measurement: Feet or Meters Accuracy: 0.5%+1 digit(2~60ft) Working Frequency: 40kHz Working temperature: 32 F to 109.4 F (0 C ~ 43 C) Power: 1 x 9V Battery (battery not included) Dimensions: 123 x 60 x 40mm (L x W x T) Package included : 1 x Ultrasonic distance measurer 1 x English User Manual Details pictures :