The CEMB Laser Wheel Balancer ER71, was designed with garages and car dealers in mind that need a wheel balancer for balancing today’s tires and wheels. It comes with automatic distance and diameter and a lighted laser line for locating weight positioning at the six o’clock stick on weight position. Most if not all competitors do not have this feature and some of the other features on their models that are available in the price range of this wheel balancer. It also has an electronic brake positioner, which is great when applying wheel weights. It comes fully assembled. Computerized Balancer for cars and light trucks ER71 balances steel & light alloy wheels of cars, light trucks, motorcycles & scooters (with optional adaptors) Automatic Distance & Diameter Entry (2D) Optional 3D sonar for automatic rim width measurement Electromagnetic brake for easy weight placement Wide working space Laser line for quicker stick-on weight placement LED to light the wok space inside the rim New automatic arm to measure automatically diameters up to 30″ Standard Quick Nut Mounting and wheel guard Direct selection ounces/grams Optimization program for compensation of rim and tire unbalance One Button Split & Hidden Weight Program