This is an aftermarket Pressure Sensor
If you require the genuine Hiab version https://shop.lowcostspares.com/electronics-11/h360-2800-pressure-sensor
Pressure sensor fitted to Load hold valve on Mini-Space and Space Control Systems. Fitted on Main lift ram and jib ram load hold valves.
Pressure sensor fitted on most models of Hiab for example, Hiab 125, Hiab 140, Hiab 160, hiab 175, Hiab 195, Hiab 300, Hiab 077XS, Hiab 099XS, Hiab 102XS, Hiab 122XS, Hiab 144XS, Hiab 166XS etc.