Only for KEEP FUN treadmill; not compatible with other brand treadmills. Please check carefully before placing your order. Batteries not included. A CR2032 battery must be purchased separately. Note: 1. Please allow 1-3 mm size variation due to manual measurement and 1-3g weight difference. Ensure you are comfortable with this before ordering. 2. Due to lighting effects in photos and monitor settings, the actual product color may vary slightly from images. Please confirm you accept this before ordering. Shipping Information: 1. Please ensure your shipping details (name, street, house number, doorbell/email, etc.) are complete and accurate to avoid delivery issues. 2. All orders are shipped within 3 business days after payment confirmation. Delivery typically takes 812 days, depending on location and logistics conditions. 3. If you have any questions during the shopping process, please . We respond within 24 hours. Thank you and enjoy your shopping!