7" Monitor +2x Wireless Rear View Backup Camera Night Vision for RV Truck Bus HD
Effective range: 15m. It help your view still clearly at night or in bad weather. FHSS: Frequency Hopping Spread Spectrum. Contrast ratio:500:1. TV System: PAL / NTSC. Effective range up to 15m. Compression format: MPEG 4 video.