GET COLD AIR IN MINUTES with this r134a car air conditioner revitalizer - Avoid the inconvenience, high costs, and loss of transportation of a repair at the dealer or mechanic. Manufactured in the USA. WIRELESS DIGITAL THERMOMETER AND DISPLAY makes recharging your car simple and fast - You don't have to be an A/C pro to safely use our car air conditioner recharge kit at home. THE MR FREEZE DIFFERENCE - Mr. Freeze uses Accufill technology to measure the air temperature coming from your vents and not the pressure of your system, which can differ from vehicle to vehicle. Simply fill your system until you reach the target temperature using our easy to follow how-to instructions. R134A RECHARGER, LUBRICANT, AND LEAK SEALER, ALL IN ONE - Mr Freeze Air Conditioner Revitalizer r134a refrigerant contains lubricant and sealant for small leaks, helping you get COLD AIR FAST. NO EXTRA TOOLS NEEDED - Other than safety gear such as glasses and gloves, there are no special tools required to recharge your A/C system with Mister Freeze. Color may differ from picture.