Vibration Switch, Electronic, 0 to 1.5in/s pk, 85-245VAC 50/60Hz, 4-20mA, 100mV/g Raw Vibration, 1/2in NPT Conduit Hub, Aluminum Alloy Housing, Temp Range -30 to +70C, NEMA 4X & IP66, 3.5 WD x 2.8 HT x 3.5 Dia in