Dear Sir/Madam, We are a professional manufacturer of Laser Rangefinders in Beijing. All items are our independent designs,we have the completely IP, and have applied international patents for all of our products. Advantage of our Laser Rangefinders: OEM can be available FCC FDA CE RoHS certicates No blind area of measurement, Sub-meter measurement accuracy Frame of magnesium alloy The main features: 1.Dsitance Range:0-600M,0-800M,0-1200M,0-1500M,0-2000M 2.Measurement Accuracy:±1M 3.Warranty:3-month replacement,2-year warranty,lifetime maintenance We will send you website and company email box after receiving your reply. Warm Regards Sunny Henrich Technology Co.,Ltd Tel:86-10-60355527 Fax:86-10-60355650 Jiantong High-Tech Park 58-25 Liangxiang Development Area Fangshan District Beijing China