SUNTEK 40V 21-Inch Cordless Electric Lawn Mower, Digi-Brushless Self-Propelled Lawn Mowers, 2 x 4.0Ah Lithium-ion Battery and Rapid Charger Included, APP Compatible, SLM4521ASP.2

• 【High-Performance Motor】The lawn mower is outfitted with an outrunner brushless motor, providing superior mowing power and efficiency. With two fully charged 4.0Ah batteries and dual battery ports featuring automatic switchover functionality, it caters to the majority of yard maintenance requirements. Please note that actual runtime may vary depending on grass conditions and operator technique 【Advanced Self-Propulsion 】Experience the ultimate convenience of this mower's self-propulsion feature, seamlessly enabling automatic forward movement while minimizing operator effort. With handle-controlled speed adjustment offering seven levels ranging from 0.4 to 0.7 meters per second, you have precise control over the mower's speed. Additionally, choose from three speed working modes - ECO, POWER, and Smart - further enhancing the versatility and efficiency of your mowing experience. 【Comfortable, Versatile, and Multi-Functional】Designed with ergonomics in mind, the cordless lawn mower offers a range of versatile features. Its 21-inch cutting deck is ideal for medium to large-sized gardens, ensuring efficient and precise mowing. With a 7-position height adjustment ranging from 1" to 2.95", achieve the desired cut effortlessly in any environment. 【Integrated SmartView System】Experience seamless monitoring of your electric lawn mower's real-time status and potential errors through its integrated smartview system. Gain instant access to clear and easily understandable information, including battery status, ensuring a user-friendly and hassle-free experience, particularly beneficial for beginners. 【Smart Charging App】Say goodbye to the inconvenience of forgetting to charge your mower. Monitor the battery's charging status from anywhere at any time through our intelligent charging app. Additionally, set starting times and desired battery levels directly from the app, ensuring you complete your weeding tasks on schedule without any hassle.