12V DC @ 25 MAH; 30 KHZ–80 KHZ RECEPTION; 50-FT RECEPTION DISTANCE; NOMINAL RECEPTION ANGLE: 45º OFF AXIS; CFL PROOF & PLASMA FRIENDLY; WORKS IN NORMAL 3-WIRE MODE; REQUIRES 3-CONDUCTOR, 24-GAUGE CABLE FOR 200 FT RUNS, 22-GAUGE CABLE FOR 600 FT RUN, 20-GAUGE CABLE FOR 2000-FT RUNS & 18-GAUGE CABLE FOR 5000-FT RUNS; MAX CABLE LENGTH: 1 MILE WITH 18-GAUGE CABLE; MAX CURRENT OUTPUT: 100 MAH; DRIVES UP TO 4 INFRARED EMITTERS CONNECTED IN SERIES OR 4 DUAL EMITTERS USING KNOLL® KNLIR54 OR KNLIR55 CONNECTION BLOCKS; REQUIRES KNLPS1202 OR KNLPS1205 POWER SUPPLY; SHIPS WITH BRASS & WHITE BEZEL; DIM: 2"D X .5"DIA