Domestic laser rangefinder LDM-70 for CEM independent design, development and manufacture of industrial-grade remote handheld laser range finder, simple and safe to use, only a single person to operate without the aid of other tools, even in very harsh measurement environment can easily deal with. 70 meters to meet the needs of more industrial and construction industry. An area of ??volume calculation function; 2, using the Pythagorean theorem indirect measurement; 3, addition and subtraction functions; 4, continuous measurement function; 5, the maximum and minimum distance tracking; 6, backlit display with multi-line display; 7, beep Tip; 8, accuracy ± 1.5mm; 9, the appearance of small, double-injection skid soft feel super comfortable. Laser range finder can be widely used in household / industrial / commercial renovation, installed horizontal and design fields. Concrete can be used for floor tiling; wall paint area estimation; furniture cabinet maker measure; site construction distance / area / volume measurements; real estate agent apartment area measurement and valuation of quotations. Direct measurement of distance: Press the first under the laser (be careful not facing the eye) mapping equipment calibration, targeting and then click to complete the distance measurements. Laser marking instrument (4V1H1D) laser marking series products, based on its auto-leveling, simple, economical and practical features, is widely used in interior decoration, installation of doors, windows and cabinets, ceiling, wall charts, and other professional and DIY markets mapping instrument factory, to provide horizontal and vertical datum. Features: 5 and 1:00 the next line laser plumb laser ago, the two crossed laser line continuous or pulsed laser, indoor and outdoor use either automatic Anping, out of range alarm can be masked alarm function, using the body tilt angle rotates 360 ° to any technical specifications: Laser wavelength: 635nm Laser class: ClassII Laser precision: ± 1mm ??/ 5m Anping range: ± 3 ° Working temperature: -10 ℃ ~ + 45 ° C Power: 4 5 # battery (or external power supply DC6V) Low Note: Power indicator Blinking size: Φ100 × 216mm Weight: 1.22Kg mapping instrument calibration, Jinke instrumentation (certified), surveying instruments provided by the Instrument Co., Ltd. Qingdao Branch. Qingdao Branch of the Instrument Co., Ltd. (www.qdjk17.com) is Qingdao, a leader in analytical instruments, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Branch of the Instrument in leadership with the staff warmly welcome all inquiries negotiations to create Branch instrumentation a better future.