Features: Improved your workout with this practical fitness equipment display featuring real time heart rate monitoring, suitable for exercise bikes, rowing machines, and other gym equipment. Crafted from ABS plastic and electronic components, the light weight exercise bike monitor shows time, speed, calories, and via an intuitional 4 button interfaces for effortless tracking. Ideal for fitness enthusiasts, home gym users, and commercial training facilities seeking stable performances during cardio event. Perfect for indoor cycling classes, training routines, or monitoring progress on stationary bikes and rowers studio environments. The scratch resistant speedometer with built in heart rate sensors ensures long lasting accuracy while maintaining portability between workout stations. Specifications: Component: Plastic + Electronic Components Size: 139.3x72MM/5.51x2.83inch Color: black Technical parameters: Accurately monitor calorie consumption, speed, and exercise time, use high-sensitivity sensors, and real-time data updates Use scenarios: home gym, fitness club, training room and other occasions to help users grasp exercise performances at any time and improve exercise efficiency Package Includes: 1xFitness equipment display screen note: Please allow 1-2cm 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!