Yard Force NX100i 28-Volt Robotic Lawn Mower, Auto Charging

Suitable for lawns up to 1/4 acre Automatically returns to the charging station when the battery is low Equipped with active safety ultrasonic sensors for a worry-free mowing experience Mulch system with 3 sharp blades helps fertilize your lawn Gradual cutting height adjustment from 1.3 inches to 3 inches Additional protection with lift, tilt, and obstacle sensors Rain sensor enables the robotic mower to automatically go back to the charger station Powered by a 28V 2.9Ah Lithium-Ion battery, can mow for up to 90 minutes per charge Handles slopes up to 22 degrees Includes a battery, replacement blades, boundary wire and pegs, and a charging station Backed by a two-year warranty