Features: brand new and high quality The wireless AV transmitter & receiver is a kind of electronic product that can use the audio and video signals in different rooms for family entertainment. It consists of a transmitter and receiver. Adopting advanced 2.4G wireless transmission schemes and advantages of remote transmission, strong anti-interface and high mobility. With the help of radio waves, the signal from DVD player, DVR, CCTV camera, IPTV, digital TV set top box and other AV devices at the end of the transmitter can be transmitted to TVs in different rooms on the receiver side. Wireless AV transmission solutions are suitable for large video conferencing systems and multimedia classrooms. Specifications: Video input level: 1Vp-p (PAL / NTSC) Audio input level: 1Vp-p (dual channel) Video output level: 1Vp-p (PAL / NTSC) Audio output level: 1.5Vp-p (two-channel) Power input level: for DC 5 V 1000 mA. Transmission distance: up to 400 for m / 1330 ft (in inanimated or open environments) Material:ABS Size:10x10cm/3.94x3.94in Option Type:Transmitter & Receiver with Australian Plug;Transmitter & Receiver with European Plug;Transmitter & Receiver with British Plug;Transmitter & Receiver with American Plug; Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 x Transmitter & Receiver 2 in 1 2 x Power Supply 2 x RCA Cable 1 x German User Manual