Item No NVK-5647 Description This small and lightweight 5VDC fan provides additional airflow to R/C motors and electronics for improved efficiency and performance. Novak's Black Cooling Fan 25x25x10mm - JST Plug features a factory-installed two-pin JST plug to easily connect to a Novak ESC that includes fan output pins that accepts a two-pin JST connector. Specifications Package Quantity: one fan with installed power wire leads and two-pin JST plug Size: 25 x 25 x 10mm Weight: 7 grams (0.25 oz.) Input Voltage: 5 volts DC Airflow: 2.8 CFM @ 5VDC Color: Black Compatible ESCs (with JST Plug): GTB, Havoc Pro, SLYDR, Havoc 1S, Havoc 2S, Havoc 3S, Goat 2S and Goat 3S