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Certifications for OSUN Brand 1. GB 15742-2001 Speaker Performance Requirement for Motor Vehicle & Testing Methods 2. QC/T 30-2004 Technical Condition of Motor Vehicle Horn 3. CCC China Conpulsory Certification 4. ECER28-93 European"Sound audible warning devices and equipment audible signal for motorvehicle,uniform conditions for approval of recognization." 5. GB15085-94 Wiper Blade Performance Requirement for Motor Vehicle & Testing Methods 6. ISO9000:2008 Quality Management System Certificate 7. ISO/TS16949:2002 Implementation. Disc Power horn (ODL-151)technical spec: 1.Power voltage: 12V 2.Frequency: H 420±20HZ L350± 20HZ 3.Applied voltage: 9-16V 4.Sound level: 110±5dB 5.Applied electronic curren: ≤3.5A 6.Life time:150,000times 7.Applied temperature: -40oC-80oC 8.Diameter: 75mm 9.Weight: 200g 10.Quantity: 45prs 11.N.W: 18kg 12.G.W: 19kg 13.Meas:47×37×27cm Product Characteristic: 1.Piercing, hard sound 2.Metal sound of the horn to ensure the immediate and unimpeded voice broadcast 3.Strong anti-rust, the mechnical design can against hard object hit. 4.The raw materials are not subject to the weather and are anti-moisture and dust. 5.Reliable quality Our products fully aline with ECE standard and OEM standard speaker; car speaker;auto horn