... : 5000 Piece/Pi Product Name :DR-2L Product Info: The coupler is used in conjunction with a compatible adapter allows you ... situation where the camera may need to be powered up for long periods of time. Spec. With DC cable: Line Length ... , MD140, MD150, MD160, MD215, MD225, MD245, MD235, MD255, MD265 DC Coupler for CANON DC 300 Series,DC301, DC310, DC320, DC330, Digital D400 ...