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 motor vehicle,uniform conditions for approval of recognization." 5. GB15085-94 Wiper Blade Performance Requirement for Motor Vehicle & Testing Methods 6. ISO14001 Environment Management System Certificate 7. ISO/TS16949 Implementation. Product Charateristic 1. Sonority & beautiful voice Make the high-end luxury cars from resonant echo to be reflected,give the luxury cars more perfect and more attractive 2.With waterproof, anti-sand horn cover Play a highly waterproof and anti-sand role,to ensure lasting and nice voice 3. Long life & reliable quality A. high-quality sonorant diaphragm B. adopt membrane filter technology with waterproof and propulsive gas C. unique adherent point protection craftwork D. high-intensity ABS material,electrophoresis of metal surface treatment E. strong corrosion preventive,anti-hard body impact F. continuous beep up to 1 minute 4. mini-fashion model,easy to install Even in the narrow space,it is also installed in any cars. Technical Parameter: Voltage:12V Working volt:9-15V Operating temperature:-40°C~85°C Electric current:≤3.5A Frequency:L 400±20Hz H 500±20Hz Sound level:110±5dB(A) Life:150,000 times Diameter:80mm 100mm Weight:240g Carton:30 pairs Carton measurement:53*33*44.5cm Net weight:15kg Gross weight:16kg We believe high-end product and high-quality service is our customers'lasting choice. TEMB has been specialized in horn for more than 30 years, is one of the earliest professionaly horn manufacturer. Now has more than 60 kinds 12V/24V series horns, including snail horn, disc horn. We are OEM for more than 40 carmakers, also exported to Europe, the Americas and other countries and regions. Horn workshp has 5 production lines. By spending 3 million RMB on buying new facility and upgrading old facilities, our annual production capacity reaches 5 million sets. We can develop any new horns according to customers' requirements. Technical feature: Electronic horn uses frequency sweep electronic module to control the circuit, and automatically track the horn resonant frequency, to make the horn in the highest sound pressure level, longer lifetime with no contact design. Mechanical horn uses low current design, longer lifetime and better waterproof. Automatic production line Why Choose Us 1.OE supplier, Reliable quality. 2.OEM, buyer design, buyer label services provided. 3.Exclusive and unique solution can be provide to our customer by our welltrained and professional engineers and staffs. 4.we have the certification of IATF16949, ISO14001. 5.Special discount and protection of sales area provided to our distributor. 6.Timely delivery 7.Good after-sale service 8.Small MOQ is acceptable