Fit cars All 12V series cars Switch universal Material Carbon fibre heated pads or alloy wire pads Export More than 57500 sets per year Supplied to China ChangChun FAW,etc Certification ISO:9001:2015, GB/TS 16949:2009etc CE,ROHS Strict test passed Passed 13 items strict test in US,such as knee load test,180-degree bending durability test, powered endurance test, ingress egress test etc. Failure rate <3‰ in 3 years Warranty 2 years/24,000 km Car seat heating, heated pads, heat seated for car, carbon fiber seat heated, 12v heated pads, auto seat warmer, heating kit, alloy wire heated pads, auto seat heated,