Yellow Laser Ultrasonic Handheld Portable Distance Meter CP-3010

Features: LCD with Backlight Your distance measurer transmits ultrasonic waves to a point you want to measure Auto OFF : switches off if you do not press any key for about 1 min It measures the time taken by the waves to reflect and then calculates and re-transcribes the distance Level function (one vertical level bubble, one horizontal level bubble) Specifications: Measure distance : 0.5m ~ 18m Operating temperature: 32F~109.4F(0C~43C) Frequency : 40 kHz Accuracy : +-0.5% / +-1cm Resolution : 1cm or 21 inch Units of Measure : Feet/Meters Laser beam : Wattage 1mW (mW =milliwatt) Wavelength : 650nm (nm =nanometer) Power supply : 1 x 12V 23A Battery (Not included) Operating voltage: 12V Dimension: 65*75*30mm Weight: 85g