Feature: 1. Top quality ABS plastic construction, crack resistant, ensures its durability 2. Adopted advanced production technology, low consumption and energy saving, to use 3. Easy installation process, no modification is required 4. Directly replace and fix the cracked or damaged internal cooling fan 5. Compatible for 50000 / 30000 Specification: Features: Top quality ABS plastic construction, crack resistant, ensures its durability. Adopted advanced production technology, low consumption and energy saving, to use. Easy installation process, no modification is required. Directly replace and fix the cracked or damaged internal cooling fan. Compatible for 50000 / 30000. Specifications: Condition: brand new Material: ABS Color: black Size: 7 * 6 * 1.5cm / 2.8 * 2.4 * 0.6in Voltage: DC 7V Current: 0.21A Blade Quantity: 9 blades Package Weight: approx.33g Fitment: for 50000 / 30000 Package List: 1 * Internal Cooling Fan Notes: 1. It is easy to install, but professional installation is always recommended. 2. Please allow 0.2 inch error due to manual measurement, thanks for your understanding.