New universal four-wheel balancing machine laser locator infrared measuring point lead block tire balance laser light detailed: The switch of this device is a touch switch, which can be turned on or off with the tap of a finger. 1. LED patrol lights can meet your lighting needs. 2. With a strong magnetic base, it can stay on the metal surface. 3. The built-in battery can be charged via USB cable. The laser line can help place the weights exactly at the 12 o'clock position for better balance accuracy. Return Policy All of our items come with a 30-day free return policy. If you need to return, please contact us, let us know the detailed problem and send us some pictures for confirmation. We reserve the right to refuse any returns for objective reasons. Shipping Policy All of our items are shipped free with tracking numbers. Orders will be shipped within 3 working days upon receipt of payment. Most orders will be shipped within 1 working day. In most cases, shipping takes 8-12 working days.