TSR-0.4L-EXP remote display

Bright digits, L.E.D. seven segments,
6 digit, max 999999.
For indoor use away from direct sunlight for best viewing.
Serial input RS232C, 20 ma serial current loop, active or passive.
1200, 2400, 4800, 9600 baud, 7 or 8 data bits, odd, even or no parity, 1 or 2 stop bits.
No setup is required.
Just connect the signal wires.
Press the LEARN button and the Smart Remote sets itself up.
Wall mounting lugs on cast explosion proof housing.
-40 degrees C to +75 degrees C.
115 VAC, 60 Hz.