Features:Compact size, light weight and portable, will not feel tired after long time use.Adopt large power copper motor for powerful control, which can provide stable power output.With self-locking function, just press the lock button to lock it.Stepless speed change design, starts the machine, you need to press two switches of lock button and trigger at the same time.Easy installation, automatic locking chuck for more stability, you can quickly swap out and replace sawbit and battery without using tools.Self-tightening chuck is made of alloy material, ensures that the sawblade will not loosen and fall during use and the cutting is more stable..Ergonomic anti-skid handle design for comfortable grip during operation.Hollow out heat emission holes design, protect motor and with fine dissipation effect.Humanized LED light design, asy to adapt to all kinds of dark environment, improve high working efficient.One machine with multiple functions, the sawblade runs back and forth to achieve efficient cutting.Wide applications, support both cut-in cutting and flat sawing, the cut-in cutting suitable for cutting soft material like wood, and the flat sawing suitable for cutting protruding object beside the wall like waterpipe and metal rod.