What's in the box:

Aibecy 4010 Blower Fan 40 * 40 * 10mm 24V DC Extruder Hot End Cooling Fan Cooler Compatible with Creality Ender 3 Ender 3 Pro TEVO Tornado 3D Printer (Black)

Features:
DC 24V 0.06A operation voltage, 40 * 40 * 10mm size.
Compatible with Creality Ender 3/Ender 3 Pro,TEVO Tornado 3D printer.
2Pin connector, wire length approx. 120cm / 47.2in.
Easy installation and high-efficiency heat dissipation.
Extend the life of your 3D printer, best accessory for you.

Specifications:
Volume: 4010
Type: blowers, humidifiers
Bearings: Oil-bearing
Operation Voltage: DC 24V
Use For: Compatible with Creality Ender-3/Ender-3 pro, TEVO Tornado
Item Size: 4.0 * 4.0 * 1.0cm / 1.6 * 1.6 * 0.4in
Item Weight: 16g / 0.6oz
Package Size: 12.9 * 9.0 * 1.0cm / 5.1 * 3.5 * 0.4in
Package Weight: 18g / 0.6oz

Package List:
1 * Blower Fan