Feature: 1. PLUG AND USE: No complicated setup process or extra accessories needed. Simply connect the cable, insert the battery into the camera's battery compartment, close the cover, and plug the adapter into the power outlet to start using. 2. FULL COMPATIBILITY: Customized power adapter for LP E19 series batteries, ensuring a perfect match. The camera will not display any error messages and the battery information will show accurately. No harm to the camera. 3. SMART CHIP: Built in PCM intelligent chip provides multiple safety protections, including overcurrent protection, overcharge protection, short circuit protection, etc., ensuring the highest level of safety for your camera. 4. ECO FRIENDLY PROCESS: SMT processing technology enhances the accuracy and stability of the adapter, making it of premium battery. It does not contain heavy metals, making it more environmentally friendly. 5. EXTENDED SHOOTING TIME: With this dummy battery, you can shoot for a longer time without having to replace the battery. It offers a maximum extension of approximately 2.7 meters, meeting the needs of most shooting scenes. Specification: Item Type: Dummy battery Material: ABS, PC Weight: Approx. 293g / 10.3oz Compatible Camera: For R3, D X Mark III, 1D X Mark II, 1D X, 1Ds Mark III, 1D Mark IV, 1D Mark III Output: 12V 3A . Package List: 1 x Dummy Battery1 x Power Adapter1 x Power Cable