Transmitter Kit and HDMI receiver can transmit HDMI signals 1080P HDMI up to 984 ft (300 m) using cable existing electrical conduction, and support from a 1 transmitter to 1 receiver, the simultaneous delivery of HD A / V to 4 RX, saving wiring problems. It is a lower-cost alternative for the professional installation of A / V. Characteristics : HDMI via power line with HDbitT technology. Video HD, 1080P, covering all the coverage of the house. Transmitter supports simultaneous connections to four receivers. No need to rewire, easy to go through the walls. Compatible with outlets between 100 ~ 240 Vac. More stable and higher transmission without interference. IR 360 °. Scanning and automatic coupling, plug and play. AES encryption to ensure security. Built-in HDMI output. Specifications : HDMI signal: HDMI 1.3, compatible with HDCP1.2 Resolutions: 480i @ 60 Hz, 480p @ 60Hz, 50Hz @ 576, 720p @ 50/60 Hz, 1080i @ 50/60 Hz, 1080p @ 50/60 Hz. Transmission distance: 984 ft (300 m) Power supply: 100-240 VAC. Working temperature: 32 - 140°F (0 - 60 °C) Remote Control: supports devices 20-60 Khz. Weight: 0.72 lb (330 g) Tx; Rx 0.69 lb (316 g) Dimensions: 5.90 x 3.64 x 0.98" (150 x 92.7 x 25 mm) (W x L x H) Note: Connection One to One Key Features HDbitT Protocol Ensures Stable Audio/Video Transmission Quality Plug and Play Installation Without Complex Configuration Required AES Encryption Provides Secure Content Protection IR Pass-Through Function for Remote Device Control Works With Standard 120V Electrical Wiring Infrastructure HDMI Loop Output Allows Additional Display Connections