Antigravity Micro-Start Smart Clamps Xp-1/Xp-3 The Smart Clamps for the Xp-1 (Gen 1) and Xp-3 incorporate six advanced safety features to ensure a secure jump-start for vehicles. These smart clamps are designed with technology to protect and enhance the jump-starting process, making them a reliable choice for vehicle owners. Features Built-in protections offer an upgrade over the standard clamps that come with the Micro-Start models Short circuit protection: if the two clamps are accidentally put together, the protection will not allow for damage to the Micro-Start Reverse polarity protection: if the clamps are connected in reverse polarity on the vehicle the protection will become active and not damage the unit For newer units with 3rd thermal protected prong