Features: Threshold Assistance: Designed specifically for robotic vacuums, this ramp helps machines easily climb over thresholds, minimizing wear on both device and your floors. Versatile Compatibility: Suitable for various robotic vacuum models, this accessory adapts to different devices for seamless integration into your cleaning routine. Easy Maintenance: With its dust-resistant design and easy-to-clean materials, this ramp ensures a hygienic solution that maintains a tidy living space without requiring extensive upkeep. Stylish Options: Available in multiple colors, this ramp complements your interior decor, providing a functional yet aesthetically pleasing addition to any room in your home. Notice: 1. Threshold bar recommended for threshold height of 2.5-3.5 cm. 2. Upon first use, after the map has been built, manual assistance may be required to guide the machine uphill (manually drive the machine over the threshold or reset and rebuild the map). 3. Not suitable for sliding doors with a middle groove, as the machine may get stuck. Color: Grey Material: TPE Please note: Slight physical color variations may occur due to lighting and display differences; this does not affect functionality. Package Contents: 1 set Threshold Strips Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual product. Measurement error allowance is +/- 1-3 cm.