CALL; A.WIHARTA 081294124885 085778084789 087784022201   Info Produk MS6450 Ultrasonic Distance Estimator Features: lCalcutates area and volume lLaser to target the point to which you want to measure lAuto converts feets to meters lBack light lMeasurement range: 0.6 to 15m ( 2 to 50 feet) lAccuracy: ± 0.5% ± 1 digit lResolutions: 0.01m( 1 feet) lAper ture angle : approx. ± 5 degrees lLaser diode type: Red laser diode 650nm lPower supply: 6F22( 9V) × 1 lBatterylife: 10 hours of continous dynamic lMeasurement with alkaline battery lDimensions: 136mm× 59mm× 38mm lWeight: Approx.150g ( including battery) lCalculation range: lLength: 9999m lArea: 99999¡ lVolume: 99999m3