Vello IR-O1 Infrared Remote Control for Select Olympus Cameras - Olympus E-1, E-3, E-5, E-30, E-420, E-450, E-500, E-510, E-520, E-620 Wireless Remote Control | Triggers Remote Cameras | 15' Range Prevents Effects of Camera Shake | Useful for Self Portraits | Zoom Control on Zoom-Enabled Cameras Image Playback Control | Slim Design | Compatible with Select Olympus Cameras Whats In The Box: CR2025 Lithium Battery, Limited 1-year Warranty