The Olympus FL-LM1 Flash Unit Pen Lite PL-3 is a lightweight (28g) unit designed specifically for Olympus digital cameras. With a Xenon light type and TTL feature, this shoe mount flash unit is compatible with Olympus PEN series cameras and offers a variety of mount interfaces including Active Interface Shoe, Intelligent Accessory Shoe, and Hot Shoe. Made in Japan, this Olympus-branded flash unit ensures quality performance for photographers looking to enhance their lighting setups.