AAB SPM-K1 Wireless Smartphone Manometer and Probe Kit Combo The SPM-K1 combines the convenience of our innovative probe kit with the power of the SPM-100 Static Pressure Meter. Includes: SPM-100 Dual Port Smartphone Manometer, Two Stainless Steel Static Pressure Probes with Magnetic Color Coded Bases Two 6' Lengths of Rugged Latex Tubing, Brass Barbed Fitting for Taking Gas Readings New Ergonomic Carrying Case with Improved Cord Management System Free app that connects the meter to your smartphone