The BEC-195 Wireless Receiver Holder is for the Lectrosonics UCR-195, the UCR-200, the UCR-205, the UCR-211, and the UCR-411. BEC Wireless Receiver Holders mount on all cameras with the Sony screw configuration that is most commonly found on the NP/1 battery holder, the IDX NP/1battery system, and the Anton Bauer Gold Mount system.