McMaster 1867N82 Thick Wall Galvanized Steel Pipe Nipple, Threaded on Both Ends, 2 NPT, 3" Long 09596935531 277V AC Lighting Technology Halogen 277V AC Lighting Technology Halogen Output Voltage 6 V DC Housing Material Emergency Lighting and Exit Signs Plastic Mounting Wall Housing Material Plastic Housing Color Emergency Lighting and Exit Signs Gray Battery Chemistry Lead Calcium Number of Lamp Heads 2 Emergency Illumination Time Emergency Lighting and Exit Signs 90 min Watts @ 90 Minutes 14 W Warranty 3 yr Emergency Illumination Time 90 min Optional Guard 4PG68 Head Lamps Adjustable Yes Standards Wet Location Housing Color Gray Operating Temp 5% of Reading Whichever is Greater Number of Digits 4 Power Source Details (1) 9V Battery Data Logging No Digital Display 7 8 in H x 2 in W Display with 4 Digit Backlit LCD Included Probes Model 1075 General Purpose Puncture Probe It has thick Welded pipe has a weld bead on the inside