Features:Prevent car wheel from slipping or locked when drving on road like snow, ice etc. Provide the ability to aovid obstacles when braking.Good ability to measure the rotational speed of the wheel and send the results to the ABS electronic control unit to realize the real-time monitoring of the wheel speed.Adopt durable material for not easy break or deform, provide longer service life.This is non-OEM product, accessory ONLY!Specification:Color: BlackMaterial: Plastic, MetalInstall Position: Front Left RightPin Number 1: 2Pin Number 2: 2Size: 5.6x3.5x2.9cm / 2.20"x1.38"x1.14"(L*W*H)Hole Diameter: 7mm / 0.