The thread on the sensors is 1/8th NPT. Like shown in the photo.
Each sensor runs a pair of wires to/from the gauge. The operation of the gauge is exceptional.
Try to avoid having the sensors located where water can accumulate, best place is the top of any air reservoir. Digital Air Pressure Gauge (for 5 pressure - 01 tank - 04 bags).Aluminum pressure senders + harnesses. Special designed to Automotive Air Suspension. PSI or BAR on the same gauge. 52mm Diameter With 30mm Depth. With All The Necessary Parts: Sensor, Power Wires. 5 X 1/8NPT Electronic Sensors. International Buyers - Please Note. Buyers are responsible for these charges. All items will be dispatched from our warehouse in China directly. The value do not mean the total you paid or anything else. Your action will help us offer our milk and bread. The item "252mm 7 Color LCD Air Suspension Pressure Gauge Bar&PSI Dual Air Ride Meter 12V" is in sale since Sunday, June 28, 2020. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Suspension & Steering\Lower Kits & Parts".
The seller is "mingh_7" and is located in Guangzhou,China. This item can be shipped worldwide.