It is suitable for all supports with 24*24mm M3 screw holes. Fine workmanship and perfect style. Easy to install and in use. High Wear-resistant and excellent durability. and high quality. Name:high-speed fan 25000RPM Weight: about 16 grams Easy to install, fixed and installed with flat-headed M3 screws. Input voltage:5-9V Input current:1A Applicable remote control vehicles:for 1/10, 1/8, 1/12, etc. Rotational speed:9V/25000RPM Line length:200MM Note:Please insert the opposite pole, otherwise it not work. Colour: Material:aluminum plastic Size:30x30x10MM Package Contents: 1 * RC Car Fan Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.