MeiKe External Battery Grip for Canon EOS 50D / 40D / 30D / 20D
Model: MK-50D - Color: Black - GF10 material - Functions: Exposure Control / Vertical shooting shutter - Uses 2 x BP-511A batteries / 6 x AA batteries (not included) - Suitable for Canon EOS 50D / 40D / 30D / 20D - Comes with English manual