VIVI Bike Speed and Cadence SensorProduct Details Color Black Brand Vivi Material ABS Plastic Type Bicycle Sensor Weight 0. 05kg 0. 11lbs Packing size 7*4*3inch 18*10. 5*8. 5cm Quantity 1Pc Packing Content 1 x Original Bike Sensor Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. Thank you.