Dual Safety No matter you’re left-handed or right-handed, you can press the safety switch on the grip from both sides, and the trimmer only stars while triggering the safety switch and power button simultaneously. Ergonomic Handle Our operation handle is covered with a layer of non-slip silicone, and the support handle adjusts for varying heights and angle and your particular comfort level. Adjustable Electric Trimmer Head tilts, with adjustable auxiliary handle, so trimming and edging on sloped terrain, getting to tough-to-reach places will no longer be a problem. Specifications: Product name: lithium battery mower Speed: 18000 rpm Power type: lithium battery No-load runing time: 30 minutes Charging time: 2~3 hours Product material: steel /aluminum, ABS engineering plastic Battery: 21 V Battery capacity: 2000 mAh Adjustable length: 1~30cm Total length: 90~120cm Product weight: 1.5kg Highlights: Lightweight design, a lawn mower that everyone can use. High-power motor, the speed can reach 18000 rpm Portable design, can be stored in the trunk, more convenient for outdoor operation Adjustable telescopic rod, can be adjusted on demand Ergonomic handle, comfortable auxiliary handle, comfortable grip Package include: 1 x Cordless lawn trimmer 1 x Li-ion battery/2 x Li-ion battery 1 x Charger 1 x Round blade 1 x Metal blade 5 x Plastic blade ►Customer service: If you have any questions about the product, and need to buy a spare blade or saw blade, please contact us in time. We will reply you within 24 hours after receiving the email.