This Testo digital manifold kit will measure temperatures and pressure for up to 60 types of refrigerants. It automatically calculates superheat and sub-cooling temperatures. You can connect to the device via Bluetooth to remotely check up on its statistics. The included smartphone application may be used to make reports and email invoices, including statistical reports. It has a rugged, impact-resistant frame and a three-way valve system with three different ports. It weighs 5.5 pounds and measures 12.6 inches in length.