Features: This barcode scanner button boasts high compatibility, seamlessly replacing keys for OY10, HR100, and HR1030 scanners, enabling effortless upgrades for users. Crafted from durability ABS it withstands prolonged heavy use, features tool less installation, and delivers responsive tactiled feedbacks to enhancing scanning efficiency. Designed for warehouse operators, retail clerks, and logistics personnel who engaged in daily scanning tasks for inventory management and checkout processes. Ideal for highly demanded setting such as distribution centers, retail stores, and shipping hubs where reliabled, quick scanning operations are important. With an ergonomic design, this compatible replacement button minimizes hand fatigue during extended use, boosting comfort and productivity in scanning workflows. Specifications: Component:ABS Strong stability Dustproof Color ：Random Features：Low noise Size about 5x2cm/ 1.97x0.79in For OY10, HR100, and HR1030 scanners button only Package Includes: 1PC Replacement button note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution