Makita XSH10Z 18V X2 LXT Lithium-Ion (36V) Brushless Cordless 9-1/4? Circular Saw with Guide Rail Compatible Base, AWS? Capable, Tool Only Convenient guide rail compatible saw base interacts with optional guide rails to provide perfect, dead-on straight or bevel cutting without the need for an adapter Auto-Start Wireless System (AWS) utilizes Bluetooth technology for wireless power-on/off communication between tool and optional dust extractor AWS capable with Auto-Start Wireless Transmitter (part no. 198901-5) sold separately Powered by two LXT batteries; X2 LXT technology delivers more power, RPM and run time without the hassles of a cord (batteries not included) X2 LXT technology delivers up to 110 crosscuts in 3x12 oak board using two 5. 0Ah batteries (batteries not included)