Infrared principle， accurate measurement of the distance， the laser spot to help targeting.

Appraiser assistant， surveying caves， measure the ceiling height， Building Surveying， theater sets， the measurement of housing size， measurement depth， tolerance measurement， volume measurement， public facilities， measurement， level measurement.

Suitable for: decoration (such as carpentry work floor， wallpaper the number of required materials， roof insulation materials， paint area)， indoor and outdoor measurements.

Features:

Power supply: 9V battery (not included)

The unit of measure: meters (m)

Measuring range: 0.55m-18.288m (2-60 feet)

Accuracy: ± 0.5% + 1 digit

Operating frequency: 40kHz

Operating temperature: 0C -43 C

Laser emission wavelength of 650nm visible laser

Note: Do not use the eyes staring at the laser beam not to the laser fired at anyone\'s eyes.

Package Includes:

1 x New CP3009 Infrared Ultrasonic Distance Meter Measurer Laser Point， Laser Level

1 x Original Package