1. Excellent waterproof performance. 2. Transmission effect: real-time transmission of AV signals clear high-quality video effects. 3. Transmission distance: 350 meters transmission distance without power. 4. High-performance security: anti-Ray 3 interference suppression fire-resistant high temperature anti-static. 5. Design Science: With thread easy to install outdoors convenient and beautiful interface. 6 Installation is simple: without the use of tools that can be installed by hand Product Performance Transmission signal: 1 Road Transmission distance: 350 meters Coaxial Video Interface: BNC Block Metric Twisted Video Interface: 50 ohm copper Compatible video format: PAL NTSC SECAM baseband signal Signal bandwidth: 0~6MHz (-3db) Immunity:> 60db