Introduction: The product you are looking at is an alternative remote control for Olympus digital camera called RC-C1, 100% compatible with the RM-1. With the RC-C1, you can control your digital camera cordlessly, that's really useful for long time exposure photography (Bulb mode support) and self-photography. Advantages of RC-C1: Bulb mode supported for most Olympus D-SLRs (by using W and T buttons) Spend less, get better performance Small size Longer working distance (RM-1 is 5 meters, RC-C1 is 10 meters) Comes with a new heavy duty CR2025 battery, reliable power supply.   Camera support table: E series E620 E30/E3 E520/E510 E420/E410 E400 E500 E330 *E300 E1 C series c8080 c7070 c5060 c5050 c5000 c70(c7000) c60 c50 c4040 X1 c3040 c3030 c2500L c2040 c2020 c770 c750 c730 D series D40 Stylus Digital series Stylus 410 digital Stylus 500 digital Stylus 800 digital   * In E-300, the Bulb mode can not be supported by RC-C1 Specification: Transmission type Infrared Working distance within 10 meters Dimensions 57mm x 35mm x 8mm Net weight 14g Battery type CR2025x1 Battery life More than 6000 times of launch. Delivery: All the goods will be shipped in 1-2 days from Portsmouth,UK as the payment received. Warranty: All the products we sold comes with 6 months warranty.