12V DC @ 25 MAH; 30 KHZ–60 KHZ RECEPTION; 25-FT TO 30-FT RECEPTION DISTANCE; NOMINAL RECEPTION ANGLE: 50º 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; TALKBACK LED INDICATES INFRARED RECEPTION; DIM: .938"L X .375"W X .5"D; SILVER