Features: brand new and high quality Gold plated interface, strong and durable, effectively reduce data transmission loss, improve signal transmission efficiency. Multiple modes, multiple experiences. The body adopts all metal material, anti-interference, corrosion resistance, easy heat dissipation, long service life. This 2X2 splicer supports 1 channel input and 4 channels for HDMI output. The main function is to divide a complete for image signal into 4 pieces and then allocate them to 4 video display units (such as rear projection unit, LCD TV, etc.), and complete the use of 4 for hdmi compatible video display units to form a large dynamic for image screen. Using 12V power supply line, stable performance. Specifications: Material:Iron Size:Approx.20.5x9.7x2cm/8.07x3.82x0.79in Net Weight:720g Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x 2X2 Video Wall Controller 1x Power Supply (certification 12V) 1x Remote Control 1x Manual