Battery Door Cover Lid Cap For Nikon D3100 Digital Camera Repair Part Accessory Features: Compatible with: For Nikon D3100 Battery door lid cover cap repair for Nikon D3100 digital camera battery. The battery door cover is easy to install. Best replacement for your original one. Made of high quality plastic and metal materials, lightweight, solid and durable. Installation is a simple snap-in replacements and no need extra tools. Specification: Material: Plastic, Metal Dimensions: 2.2x4cm(0.87x1.57in)(approx) Color: Black&Silver Quantity: 1 pc Note: Transition: 1cm=10mm=0.39inch No retail package. Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Battery Door Cover(other accessories demo in the picture is not included.)