3 . The blade of the electric pruning shear is made from SK5 high carbon steel and equipped with brushless motor,so its cutting power is incredibly strong.The blade can easily cut through branches that are up to 1.57 inch thick without damage.Flat and fast pruning makes trees and plants healthier. The 21V rechargeable battery charges quickly within 3 hours and can be used for 3 to 4 hours before requiring another charge. With help of back up battery, this power pruner can work for a total of 68 hours cutting over 1000 branches. Our electric pruning shears will revolutionize the way you prunes. Its efficiency is 810 times that of manual pruning shears,takes only a click of finger to cut thick branches. No need of noisy chainsaw or exhausting loppers. Weights less than 2 lbs it is a light weight tool for young or old, women or men. It is almost satisfying to see the branches easily snap and fall onto the ground. A set of safety related design can minimize risk of accidents while using this electric pruning shear. You need to press the trigger twice before you start the electric pruner.When you press and hold the trigger a short ticking sound will be made and the size of the opening can be adjusted. Hold the trigger longer to completely close the shear for safety storage. The electric pruner has a wide range of uses, can be used in all kinds of gardens, parks, farms, large pastures, orchards, greenhouses, you can cut grapes, cherry trees, apple trees and so on.