General description 2X NP-BX1 Dummy Battery with USB-A Power Adapter DC Coupler is designed for use with ZV-1, RX100 M7, M6, M5, RX1R, HX50, HX90, HX300, and HX400 cameras. This dummy battery allows you to utilize a power bank, USB wall charger, or other USB power sources for charging, providing a long-lasting power supply for both indoor and outdoor shooting. Technical specifications Output: 5V 2A or above Color: Black Material: ABS Measurement allowed error: +/- 1-3 cm Other information Includes: 2 * Dummy Battery Note: The camera for ZV1 does not reserve a cable hole, which may prevent the dummy battery cover from being completely closed, but it can still be used normally. Light reflection and different displays may cause the color of the item to differ slightly from the actual product.