Pitch 2.3 mm; Through Holes PCB solder Spring Loaded Pogo Pin Connector 3P single row vertical through holes Welding male and female probe contacts How about application: Center Pin as Postive pole, the other 2 pin as the negative poles.Application: Toy, Automotive, Instrument, Electronic Equippment,Battery Charge.Colour:black Material:Copper gold plating + nylon PA9T Package Contents: 3 Pairs x Spring Loaded Magnetic Pogo Pin Connector Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing.The measurement allowed error is +/- 1-3cm." Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store