The SC57KW Wireless Air Conditioning Kit is the perfect all-in-one air conditioning kit. With seven accessory heads and wireless transmitters, you can virtually work on every part of an air conditioner, from charging and airflow, to pressures and temperatures, and everything in-between. Add that with the handy pocket tools, and the wireless capability, and the Fieldpiece SC57KW Wireless Air Conditioning Kit makes any HVACR professionals job better.