Vello IR-S1 IR Remote for Select Sony Cameras Infrared Wireless Remote Control | 15 Foot Range | Standard Wireless Camera Trigger 2.0 Second Delay Button | Stop/Start Video Control | Prevents Effects of Camera Shake Useful for Self-Portraits | Slim Profile | Compatible with Select Sony Cameras Whats In The Box: 3CR2025 Lithium Battery, Limited 1-Year Warranty