For Canon EOS 40D / EOS 50D OEM Battery Compartment Cover Type-Wireless Presenter Dimensions: outer size 34 x

Dimensions: outer size 34 x 24

The keys can withstand about 10 million keystrokes and can be used for a long time

You can test other metal cables with adapters

One Package Size 13cm * 7cm * 8

For Canon EOS 40D / EOS 50D OEM Battery Compartment Cover Type-Wireless Presenter Dimensions: outer size 34 x1. Battery compartment cover replacement part. 2. Repair and fix your broken or unusable item with it. 3. Each item has been checked and in good condition before shipping. 4. Completely fit and work. 5. Professional installation is highly recommended. We will not be responsible for any damages to your camera that you may cause during the changing of replacement parts. Specification: General Compatible with Canon: EOS 50D , EOS 40D Package Weight One