A/C Pro Extreme Conditions with Smart Charge technology is one of the best tools for recharging your vehicle’s air conditioning. This kit features a reusable trigger-style dispenser that wirelessly connects to your smartphone using Bluetooth® technology through the A/C Pro app (available on the Apple App Store and Google Play). This equips you with guided, adaptive vehicle-specific instructions that help eliminate guesswork and troubleshoot should the need arise. This kit’s Extreme Conditions formula protects against high use and extreme temperatures with a robust lubricant specially designed to withstand frequent air conditioning stops and start-ups, and the high pressures that come with them. Extreme Conditions features 2x the cooling boosters and has been independently verified to deliver the coldest air from your vehicle’s A/C versus the next leading brand of A/C recharge kit. This kit also helps to seal common A/C leaks in rubber O-rings, gaskets, and hoses, and is compatible with all vehicles that use R-1234yf refrigerant, including hybrids and electrics.