Model: VK-800 - 2.4GHz RF wireless crisp video transmission - 433.92MHz RF wireless infrared remote control relay - 1.5-watt ultra high power transmission for large coverage distance - 150 meters range with line of sight 35 meters indoors (manufacturer rated) - Allows you to watch TV in multiple rooms from only one video source and control that video source using IR remote controllers from another room - Works with cable box satellite receivers DVD players and virtually all devices - 4 selectable frequencies to avoid interference - Stereo audio transmission - Includes everything right out of the box: 2 sets of AV cables 2 sets of 100V~240V AC chargers and a IR relay blaster