12mm hole, 36mm CC, 6mm holes, measures 50x60mm. Pin 1 = Signal ground Pin 2 = NTC (-40C: 45303ohm, +150C: 57,39ohm Pin 3 = +5V Pin 4 = 0-5V output signal (50kPa: 0.5V - 400kPa: 4.5V)