Feature:1. Compatibility: The camera dual cooling fan comes with four different brands of camera mounting buckles, compatible with for A7M4, ZVE1, A6700, A7C2, ZV E10, ZV1, for XT4, and for R6, R7.2. Two Speed Airflow: The camera cooling fan supports 2 speed airflow adjustment, with intelligent temperature control, provides powerful cooling and adapts to various usage environments.3. Quick Heat Dissipation: Dual fan design effectively dissipates heat during live streaming, ensuring prolonged camera recording and reducing the risk of shutdown or freezing due to overheating.4. Silent Cooling: Designed with 7 blade hydraulic bearing fan and a turbine wind tunnel for quiet operating, ensuring low noise levels without affecting the quality of live streaming.5. Support Charging While Using: Built in large capacity lithium battery provides stable and long lasting power output, with a type C charging port that allows for continuous operating while charging, ensuring high efficiency.Specification:Item Type: Camera Cooling FanMaterial: PCPower Supply Interface Type: Type CCompatibility: for A7M4, ZVE1, A6700, A7C2, ZV E10, ZV1, for XT4, for R6, R7Adjustment: Smart Temperature ControlFan Noise: 26dBSpeed Adjustment: Quiet Mode, High Speed Mode (Two Speed Adjustment)Battery Capacity: 350mAh, Lithium Battery (Shipped with Built in Battery).Package List:1 x Camera Cooling Fan4 x Camera Buckle1 x Supply Cord