This is a high-performance replacement video charger for the Konica KD310, guaranteed to meet or exceed the OEM specifications of your original. The video charger is 7.75 x 2.5 x 9.25 inches. Manufactured by Empire Scientific, model number DVU-KOM1. We offer a 1 Year Warranty with purchase. See this product elsewhere at a lower price? Call or email us; we have a Price Match Guarantee.