12V DC @ 25 MAH; 30 KHZ–80 KHZ RECEPTION; 120-FT RECEPTION DISTANCE INDOORS; 30 FT OUTDOORS; NOMINAL RECEPTION ANGLE: 60º OFF-AXIS; SAFE FOR USE WITH PLASMAS, CFL & DIRECT SUNLIGHT; SUPER-HIGH SENSITIVITY EXTENDS REMOTE BATTERY LIFE; BLUE BLINKING TALKBACK LED INDICATES INFRARED RECEPTION; REQUIRES KNLPS1202 POWER SUPPLY & SINGLE OR DUAL EMITTER; ALLOWS FOR CONNECTION DIRECTLY TO KNLDIR10P WITHOUT CONNECTION BLOCK