Please kindly note: 1>We always have enough products in stock.All are with Retail box . 2>We send all the parcels by registered Airmail except you specify another shipping method. All parcel has tracking number for you. 3>If the order quantity is more than 100pcs for each model, we can provide OEM Service according to your requirements. The charge for packing change should be paid by your side. 4>For big order, we'll provide you big discount,please kindly contact with us directly 5>super Long warranty period of 2 years,in two years will repair for free. Kindly reminder: 1). We supply OEM service, please contact us directly if necessary. 2). We have to take away the batteries due to shipping company's policy . 3). English use manual Reflective plate As Free gift for you Reflective plate use occasions: 1, in the case of strong sunlight or target reflection is not good, please use the reflector 2, reflecting plate has good reflection effect and measurement on the table or floor, or as a baffle. 3, it can be used in rough uneven walls and astigmatism surface (glass lens stainless steel), the reflected signal is not good or interfere with the strengthening of local signal reflection Introduction: Our Laser distance meter is specially designed to measure the distance precisely. It comes with the function of measuring AREA, VOLUME, ADDITION, SUBTRACTION easily. It can also store 30 data. The laser distance meter is hand-held and easy to operate. You can measure the distance in Metric / Imperial. Features: Instant measurement of distance, area & volume with one button operation: YES Wide measuring range: YES High accuracy: ±2mm (0.079inch) Automatic calculation of Area and Volume: YES Indirect measurement by Pythagorean Theorem: YES Single/Continous measurement: YES Max/Min distance tracking (display value): YES Easy Addition/ Subtraction of measurement: YES Set up front / rear benchmark: YES Selectable meter(m), inch(in) and feet(ft): YES Data store/ recall function: YES Data Hold / Data clear function: YES Air Bubble Level: YES, Included Easy targeting with bright laser pointer: YES Large LCD with backlight and multi-line display (4 lines): YES Auto correction and error report technology: YES Buzzer indication: YES Battery status Indication: YES IP54 protection (dust & splash proof): YES Auto / Manual power off function: YES Multifunction with intelligent calculation: YES Compact & handy design: YES CE, ROHS, FCC certificate: YES Specifications: Measuring range: 0.05 to 100m/80m/60M/40M (0.16 to 328ft/262ft/197ft/131ft) Acurracy: ±2mm (0.079inch) Laser class: Class II Laser maximum output: <1Mw Dust & Splash proof: IP 54 Laser Auto off: 20S Power Auto off: 150S Operation temperature: 0~40C (32~104F) Storage temperature: -20~60C (14~140F) 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 Dimension: 112*50*25mm (4.41 x 1.97 x 0.99inch) Weight: approx. 250 g Package Content: 1 * 100m/80m/60m/40m Laser Distance Meter 1 * Portable pouch 1 * Hanging rope 1 * User manual 1 * Retail box