The Flywoo QuickCool VTX Fan is equipped with a high-performance 2207-1750Kv motor and 3.5-inch propellers, which deliver a high-volume airflow to effectively cool the VTX module. 1. The screen provides real-time voltage and throttle data. Its lightweight design supports 2-6S batteries with an XT60 connector. 2. It includes multiple safety features, such as a power-on lock and low-voltage protection, which help prevent accidental activation and reduce the risk of losing control. Specifications: Dimensions: 105 x 42 x 220mm Motor: 2207-1750KV ESC: 25A Propellers: 3.5-inch Input Voltage: 2-6S (Li-ion \ LiHv \ Lipo) Power Connector: XT60 Weight: 145g Power Supply: Powered by 2-3S, maximum throttle output of 100%. Powered by 4S, maximum throttle output of 55%. Powered by 5-6S, maximum throttle output of 30%. Factory default setting LiPo Auto (alarm when cell voltage reach 3.4V) Includes:1x Flywoo QuickCool VTX Portable Fan1x Manual1x XT30U Male to XT60H Female Cable Adapter