Features:-Portable wireless design, compact and easy to carry and store. -High-performance full copper motor, high efficiency and stability, stable operation and good heat dissipation.-1~30cm length can be adjusted freely, which makes gardening more convenient.-2000mAh Lithium battery, up to 240 minutes operating time.-Protective cover protection for extra safetySpecification:Color: black&silverLength: 76cm-105cmMain material: ABS+aluminum alloyBattery capacity: 3.7V, 2000mAh, 18650 batteryIdling speed: 13000 rpmPower mode: USB power cord chargingUSB cable length: 120cmNotice:This mower is great for tender grass, not too thick grass. Please buy carefully.Installation method: when connecting the pipe, you don't need to remove the knob completely,.