eufy Robot Lawn Mower E18 No Wires, No RTK, No Signal Issues: E18 utilizes pure vision FSD technology with high-precision cameras and intelligent algorithms, eliminating the need for wires or an RTK station. Hands-Free Auto Mapping: With precise positioning and distance measurement, E18 effectively maps your yard and plans the mowing path, which can be easily viewed on your smartphone. Accurate Obstacle Avoidance: E18’s 3D perception system accurately detects obstacles, ensuring it avoids collisions in complex garden environments. Reliable Lawn Maintenance: E18 can achieve beautiful and uniform parallel cutting. Smart coverage detection system ensures no area is left uncut. E18 can cover a maximum of 1200 m² (0.3 Acre). Worry-Free Experience: E18 features GPS tracking to prevent theft. With easy app control and automatic recall during rainy or low-light conditions, it provides a seamless, worry-free experience. eufy  Blade Set Compatibility: Compatible with eufy Robot Lawn Mower E15 and E18. Contains: Blade Set (9 Blades + 9 Screws) ×3. Quality Materials: Made of superior high-carbon steel for improved performance and smooth cutting. Recommended Usage: Replace every 240 hours for optimal performance. Note: Wear gloves when changing the blades. Use Official Accessories: Authentic eufy accessories extend the lifespan of your robot lawn mower and come with official after-sales support.