Features: Each Keyboard is tested before shipping and working . Technical disassembly and installation required. Please Install it very professionally brand new and high quality Made of high quality material for long service life. New laptop keyboard US standard for Acer E1-471G E1-451G E1-421 431 ZQT TM8371 8471 8431 keyboard r We have good after-sales services. Specifications: Colour: Black Product text: English Standard: US Whether the product is backlit: No Keyboard type: normal keyboard Quality Condition: Brand New Size: approx Mixed Applicable Models: Language for Acer E1-471G E1-451G E1-421 431 ZQT TM8371 8471 8431 keyboard Package Includes: 1 Set x Keyboard note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!