The electronic dog upgrade major upgrade fixed electronic dog data information, such as traffic lights, fixed camera the lighting update information, because the market reason security velocimetry update soon require frequent updates, some also electronic dog program, software, voice updated the Quicken version KG Q7 KG version of X6 and Quicken N series N3, N5 upgrade includes not only fixed electronic dog upgrade also includes programs, software, voice upgrade. Mobile electronic dog gun principle: Mobile Police issue band radar speed measurement device, radar machine band received a certain frequency range, set the band received such as: k frequency, ka frequency broadcast prompted, do not need to upgrade . Ling-speed electronics, has been adhering to the "good faith, unity and progress, realistic and innovative" spirit, adhere to the "professional, honest, quick response and dedication to customer service," the purpose. U.S. FCC, CE and other EU international certification; GPS navigation voice prompts through the National Ministry of Public Security and Police Electronic Products Quality Inspection Center certification, certification number: the public Beijing seized No. 1,111,580; a certificate is success sure side of the medals is a symbol of excellence. More than ten years of efforts, leaving Ling speed of the light of wisdom shines in the trajectory of time, well-known in the professional field, much appreciated. Website: www.lnsu100.com Tel: 4000083066 Contact QQ: 400 008 3066 Contact: Miss Xu