Features: Brand new and high quality Mutiple transmitters can be connect to 1 receiver at the same time, does not interfere with each others. Transmitter and Receiver is HDMIcompatible interface. Place TV or monitors within 30m, transmitter and receiver can be worked normally. Get up and running in 10 seconds with a plugs and play experience. Can go through wall, has strong signal.It realizes multi-screen operation, and does not interfere with each others. Small in size and light in weight, which is very convenient to carry around. Specifications: Material:ABS+Metal Support protocol: HDMI1.4 Supported resolution: 1920X1080@60Hz. Interface: HDMIcompatible Impedance: 100 Output: HDMIcompatible Coding format: H.264 USB power supply: 5V/2A Power consumption: MAX3W Working temperature/humidity: 0-50/10% 80% RH Size:Approx.3.3x10.5cm/1.3x4.13inches Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Transceiver 1x Transmitter