Features: 
<br />
<br />1. For Canon 20D 30D 40D 50D DSLR Camera and replacement for BG-E2N
<br />2. Powered by up to 1x or 2x Battery BP-511/BP-511A, 6x AA-size/LR6 batteries(Battery are NOT included)
<br />3. With a 2-step vertical shutter release button to enable shooting in the same fashion as a horizontal grip
<br />4. Double-section shutter, function buttons and dial wheel for easy, quick and multi-functional operation
<br />5. With a 1/4" screw hole in the bottom, can be fixed on the tripod easily
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<br />Product Description 
<br />This battery grip is specially designed for Canon 20D 30D 40D 50D DSLR camera and replacement for Canon BG-E2N.
<br />Equipped with longitudinal shutter button, you can get vertical shooting effect with lateral manipulation hand, very easy and convenient operation.
<br />With AE lock/ FE lock/ index/ reduce button, AF point selection/ magnify button, and aperture/ exposure compensation button, support more functions.
<br />Double-section shutter, function buttons and dial wheel for easy and quick operation.
<br />Powered by up to 1x or 2x Battery BP-511/BP-511A, 6x AA-size/LR6 batteries(Battery are NOT included) increasing the operating time of the camera.
<br />With a 1/4" screw hole in the bottom, can be fixed on the tripod easily.
<br />Specifications: 
<br />Material: ABS
<br />Fit Camera: For Canon 20D 30D 40D 50D DSLR camera
<br />Power Supply: 1x or 2x Battery BP-511/BP-511A, 6x AA-size/LR6 batteries(Battery are NOT included)
<br />Operating Temperature: 0-40  (32-104 )
<br />Package Size: 15.5(W) x 13.0(H) x 9.0(D) cm
<br />Package Weight: 386g / 13.6oz 
<br />  
<br />Note: 
<br />Camera and batteries are not included.
<br />Take out the batteries if no use for long time. 
<br />  
<br />Package Contents: 
<br />1*Battery grip for Canon EOS 20D 30D 40D 50D DSLR Camera
<br />1*Manual(Chinese&English)
<br />1*Li-ion battery holder
<br />1*AA battery holder