Feature: 1. Schedule in Advance: The robot lawn mower can set the working time and rest time in advance. You can schedule it in advance before going to work, and you can see a clean garden when you come back from get off work. 2. Anti Theft: The user can set the anti theft password of the robot lawn mower, in this way, you can effectively prevent theft and loss. 3. Intelligent: The robot lawn mower can control the wheels, forward, backward, turn left, turn right and other basic operations through the embedded intelligent software. Intelligent operation can be automatically adjusted according to different mowing methods. 4. Collision Avoidance: The built in automatic ultrasonic sensor detects obstacles ahead and automatically avoids collisions. And through the APP wifi remote control command, other functions can be realized such as directional walking and mowing, obstacle avoidance, switching. 5. Autocharge: When the battery is low, it will automatically return to charging mode, which is non contact electromagnetic induction charging. Specification: Item Type: Smart Lawn Mower Gross Weight: 20400g/719.6oz Material: ABS alloy Lawn Mower Size: 60x46.5x26.5cm/23.6x18.3x10.4in Green Nail Length: 8.5CM/3.3in Plug: EU 110-240V Rated Power: 85W Noise: ≤60db Number of Cutting Blades: 4PCS Cutting Height: 2.5 to 5.5cm/1.0 to 2.2in Cutting Width: 28cm/11.0in Cutting Speed: 35m/min Blade Speed: 3000rpm Gradeability: 30 degree maximum slope Maximum Working Ambient Temperature: 40℃ Coverage (One Charge): 800m² and 20 percents Working Capacity: 2600m² and 20percents Battery Model: 1PC Rechargeable lithium battery, battery capacity: 6600mAh (shipped with built in battery) Charging Time: ≤3 hours Average Working Time: 2 to 3 hours Scope of Application: Home garden lawn, green lawn, garden lawn, etc. . Package List: 1 x Lawn Mower1 x Lawnmower Charging Stand1 x Manual1 x Charger1 Roll x Wire100 x Nails10 x Wire Connector4 x Charging Pile Nails1 x Screwdriver20 x Accessories