ShenZhen RongZhan Technology Co.,LTD was founded in August of 1998. We're a professional enterprise which combined design, development, manufacture and marketing on Fitness Equipment Monitor and Bicycle Computer. We pursuit of "Customer satisfaction, full dedication".Our principle is "Reputation First, Quality First"Our aim is "Integrity, Practicality, innovation, service"We have a strong R&D department. To meet customers' need. We design many market competitive products continuously.We have established a quality service assurance system by the customer for center. As well as completely test method.Certificate: CE , RoHS approval.Now we supply bicycle computer, cheap price and good quality. Market Manager:Alex chuskype:alex_chufTel:+86-0755-83731293Mobil:+86-15813734594The bicycle computer Introduction:introduction1.Max speed; 2.Ave speed; 3.Total Odometer;4.Trip Distance(0.0-999.9km);5.Clock; 6.Trip Time; 7.Calories;8. Scan;9.Maintenance Tips;10.Stopwatch;11.Current Speed(0.0-199.9KM/H); 12.Speed Comparator;13.KMH/MPH;14.Wheel size chart(100mm-2390mm);15.Backlight;16.Preset Distance(0.0-999.9km);17.Preset Calories;18.Auto sleep;19.Auto week up;20.Preset time Color:Red,White with black,Blue,Black,Yellow,Pink,Black with whitedetailed product descriptionE-bike LCD meter with backlight1.48-3v DC convertor2.size:40*50*10mm3.ABS material