1、【Highly Efficient Cutting \u0026 Cordless Design】 The cordless reciprocating saw removes more material for more efficient cutting. Continuously variable transmission engines provide excellent efficiency and control autonomy. With a cordless design,battery-powered reciprocating saw allows you to get rid of annoying cords and space limitations. 2、【8 Blades Included \u0026 Tool-Free Blades Change】 The cordless reciprocating saw kit comes with 8 pieces saw to meet any cutting needs. The tool-free blade change system allows you to easily switch between all blades to cut wood, tree branches, PVC pipe, metal, etc. 3、【21V 4.0Ah Battery \u0026 Safety Design】Reciprocating saw is equipped with 4.0Ah removable and rechargeable batteries, which can meet the needs of a longer working time. The double conservation switch prevents the reciprocating saw from accidentally opening. Only can move when you put on the lock-on switch and speed trigger. For safety, please pull out the battery pack of the reciprocating saw when not in use. 4、【Lightweight \u0026 One-handed Use】Compact and lightweight design allows reciprocating saw one-hand using, suitable for all kinds of cutting conditions and simplifies overhead work. Ergonomic rubber anti-slip handle effectively reduces vibration and slip, reducing fatigue from long working hours.