Features: High-quality materials: The 4-key keyboard key tester is made of high-quality materials, which is wear-resistant and durable, not easy to be damaged, and can be used for a long time. Exquisite workmanship: This 4-key key tester toy has exquisite workmanship and excellent materials, which can bring you a good use experience. Easy to carry: This key shaft tester is easy to carry and lightweight, so you can take it with you anytime and anywhere. Easy to use: This colorful button tester is easy to use, just press the button, it will light up and make a sound when pressed, which can relieve stress. Excellent Gift: This keyboard key tester is the best gift for gaming lovers on Thanksgiving, Christmas, or birthday. Notice: 1. Actual color may be slightly different from the image due to different light effect 2. Please allow 1-3cm deviation due to manual measurement Material: Plastic Size: