Main Features: - Run intelligently through embedded intelligent software; - Built-in automatic ultrasonic sensors detect obstacles in front and automatically avoid collisions. - Stop working automatically in case a person or animal is near the blades; - Control cutting process by detecting the length & density of grass automatically; - The electric fence line can control the cutting scope effectively; - Check if any overload of circuit automatically for protection of internal circuit; - Go back to the charging station automatically for further charging when the battery power is insufficient; - Go back to the charging station shelter automatically when raining; - Remote Control is applied for operation. Specifications: Model: SPM08-320 Exterior Size: 590*580*230mm Cutting Power: 130W Host Weight: 10.6kg Working Voltage: 24V Battery Available: Lead-acid Battery, Lithium Battery, Nickel-hydrogen Battery Average Working Time: 2.5-3H Charging Time: 6-8H Cutting Scope: 500-800m2 Cutting Width 32cm Cutting Speed: 15-17m/min Noise: