Tianjin Lookout Photoelectric Technology Co., Ltd. Is a new and high technology company, which integrates R & D, manufacturing and trade. The main products of the company are laser range finder, industrial range finder module, infrared thermograph, high-definition telescope, industrial transmitter, wireless communication terminal equipment. The company has a high, fine, sharp R & D team, dedicated to the design, manufacturing and solutions of high end products of light, machine and electricity, especially in the field of laser range finder, the company focusing on industry, the pursuit of customer experience, the high end brand of the network range finder Hawkeye, the HK series laser range finder based on Hawkeye, The function of distance measurement, angle measurement and height measurement is combined, and the Bluetooth communication function of the rangefinder and mobile phone is developed in a breakthrough. The built-in APP allows users to locate them at any time and realize the voice broadcasting line, area, enclosure and so on.