Fully compatible to: Olympus E1, E3, E10, E20, E20N, 100RS, C2500L * 100 M range; does not require line-of-sight release * 3-mode operation for shutter, sleep, and lock; locking function for bulb exposure * Supports unique coding for anti-interference and avoiding wrong operation * 3 feet cord, rechargeable lithium battery and charging device that has LED indicator