აღწერა: Infrared Wave Length: 850 nm Optimum Distance: Within 5 feet Modulation: FM 2.3 MHz/2.8 MHz Frequency Response: 20-20,000 Hz Distortion: Less than 2% (1 KHz) Weight: 2.6 Lbs. / 120 g Power Supply: DC 3V Battery Life: Average 40 hours Included Accessories: (2) AAA batteries