【Long-Range Wireless Transmission】Utilizes 2.4GHz high-frequency wireless technology for unobstructed transmission up to 300 meters. 【Multi-Device Compatibility】Supports various devices including DVD players, DVRs, IPTV boxes, and surveillance cameras. 【Adjustable Channels】Features 8 adjustable channels with digital display, ensuring optimal signal quality. 【Anti-Interference Technology】Employs proprietary anti-interference technology to effectively isolate wireless signal disruptions. 【Dual Video System Support】Compatible with both PAL and NTSC video systems for versatile use. 【Plug-and-Play Setup】Equipped with RCA interfaces for easy, software-free installation and immediate use. 【One-to-Two Transmission】Capable of synchronous transmission from one transmitter to two receivers. Specifications: Transmission Type: Wireless Frequency Band: 2.4GHz Video Systems: PAL / NTSC Interface: RCA (AV) Transmission Range: ≤300 meters Sensitivity: -90dBm Transmission Power: 50mW Channel Selection: 8 groups Video Input/Output: 1Vp-p (PAL/NTSC) Audio Input/Output: 1Vp-p (Stereo) Power Input: 5V 1000mA Dimensions: 100 x 1000 x 25mm Operating Temperature: 32~104℉ / 0~40℃ Storage Temperature: -4~140℉ / -20~60℃ Humidity: 20~90% RH