Free shipping is only valid on total purchases of $199 or more and ground shipments within the contiguous 48 states for products weighing less than 150 lbs. Shipping fees will be added for all orders under $199 or that include oversized items or any item of 150 lbs or more. Please contact customer service if you have any questions.
This unit has a range of 4.99-19.99 volts and can test 6 or 12 volt batteries. It has an automatic polarity protection to prevent crossing up and potentially destroying the electronic equipment.