Features:<br> Instant measurement of distance, area & volume with one button operation: YES<br> Wide measuring range: YES<br> High accuracy: ±2mm (0.079inch)<br> Automatic calculation of Area and Volume: YES<br> Indirect measurement by Pythagorean Theorem: YES<br> Single/Continous measurement: YES<br> Max/Min distance tracking (display value): YES<br> Easy Addition/ Subtraction of measurement: YES<br> Set up front / rear benchmark: YES<br> Selectable meter(m), inch(in) and feet(ft): YES<br> Data store/ recall function: YES<br> Data Hold / Data clear function: YES<br> Air Bubble Level: YES, Included<br> Easy targeting with bright laser pointer: YES<br> Large LCD with backlight and multi-line display (4 lines): YES<br> Auto correction and error report technology: YES<br> Buzzer indication: YES<br> Battery status Indication: YES<br> IP54 protection (dust & splash proof): YES<br> Auto / Manual power off function: YES<br> Multifunction with intelligent calculation: YES<br> Compact & handy design: YES<br> CE, ROHS, FCC certificate: YES<br> Specifications:<br> Measuring range: 0.05 to 100m (0.16 to 328ft)<br> Acurracy: ±2mm (0.079inch)<br> Laser class: Class II<br> Laser maximum output: <1Mw<br> Dust & Splash proof: IP 54<br> Laser Auto off: 20S<br> Power Auto off: 150S<br> Operation temperature: 0~40C (32~104F)<br> Storage temperature: -20~60C (14~140F)<br> Power supply: 2 x 1.5V AAA battery (Please note that we have to take away the batteries due to the policy of the shipping company<br> Dimension: 112*50*25mm (4.41 x 1.97 x 0.99inch)<br> Weight: approx. 250 g<br> Package Content:<br> 1 * 100mLaser Distance Meter<br> 1 * Portable pouch<br> 1 * Hanging rope<br> 1 * User manual <br> 1 * Retail box<br>