Mfg. Projects Unl.3-20VDC (6mA @ 12vdc)Gray ABS Plastic case15/16’” dia. X 5/8”Frequency: 2900 Hz, 85 db.PC mount
Mfg. Projects Unl.4-8VDC (20mA typ.)Gray ABS Plastic case1” dia. X 5/8”Surface mount with red and black wire leads.
Mfg. Projects Unl.3-12V (7mA @ 6VDC)Gray ABS Plastic case2-1/8” dia. X 1-1/4”, Panel mount withred and black wire leads.