4channel-Wireless 500m Transmission 1080P Wireless Camera Monitor Kit IP68 Infrared Night Vision for Heavy Duty Vehicle. Ultra-Long Wireless Transmission: 2.4G digital signal supports 500m open-air and 200-300m actual use distance. 10-Inch HD IPS Display: 1024*600 resolution screen with 4-channel real-time monitoring capability. Built-in DVR & Parking Aid: Integrates video recording and parking line auxiliary function for safety. Wide Vehicle Compatibility: Fits 99.9% heavy-duty vehicles including trucks, RVs, forklifts, and cranes. Flexible Customization Options: Supports logo, packaging, UI design, and screen display customization. Fast Sample & Bulk Delivery: Samples in 3-7 days; bulk orders in 15-25 days after deposit. Comprehensive After-Sales Support: Online support, video technical assistance, and 1-year warranty included.