The vehicle speed limiter can be installed in the car, bus, school bus, truck, garbage truck, oil tank truck,etc! We have Original PVC cover and normal PVC cover, OEM and ODM will be welcome! We Had got the SONCAP Certificate, IEC Test report, CE certificate, FCC certificate,RoHs certificate, ECE certificate. Product Description Brand Name: N-EC Model Number: NXS-3 Classification: One Way Voltage: DC 12V Frequency (MHz): 20-50HZ Size: 9*10*16cm Warranty: 1 Year Temperature range: -35 °C to +80 °C power consumption: 2W Certification: CE/FCC/IS9001 Function: Speed limiting, truck speed limiter Place of Origin: Guangdong, China (Mainland) Packaging Details: Carton packaging Delivery Detail: 2-15 days based on your quantity 1.Product features: (1). Function: limiting speed. (2). Speed range: 10 to 120km/h. (3) .Speed limit deviation: ± 1km/h. (4). The operating voltage range of the products: 9-28V. (5). Application temperature:-35 to 80 . (6). Rated power consumption 2W. (7). Apply to all kind of vehicle 2.Technical parameters 1.Application temperature:-35 to -50 , relative humidity is not more than 90% should be able to work properly. 2.Speed range: 10 to 120km/h. 3.Speed limit deviation: ± 1km/h 4.The operating voltage range of the products: 9-28V 5.Low temperature resistance:-40 6.Temperature resistance: + 85 7.Vibration-resistance performance indicators: frequency 20-50HZ acceleration 1g 8.Electromagnetic compatibility: the Group of impulse voltage 4000V 9.Rated power consumption 2W If the driver drived the car over- speed, so many traffic accident can be happened. So, choose NXS-3 vehicle speed limiter is your best choice!