The makita dhs661 is a 165mm cordless circular saw with an auto-start wireless system aws which can connect to compatible dust extractors via bluetooth for synchronized operation the extractor will start up and shut down when the trigger is held down or released. The dhs661 also has an integrated blower for clearing dust off the cutting line while the machine is in operation. Additional benefits include an automatic torque drive technology system which regulates the cutting speed according to load conditions for optimum operation. Lights on the tool indicate if it is experiencing high speed, high torque, or overload. Features & benefits aluminium base with 45 and 50 degrees bevel cutting capacity automatic torque drive technology auto start wireless system blower function brushless motor compact and lightweight design easy to read scale markings electric brake improved visibility of blade tip indication lamp for adt led job light lock off button for safe operation rear facing exhaust port soft start specifications battery voltage: 18v battery type: makita lxt lithium ion blade diameter: 165mm bore diameter: 20mm max cut at 0 : 57mm max cut at 45 : 41mm max cut at 50 : 37mm no load speed: 5,000rpm noise k factor: 3db a noise sound power: 104db a noise sound pressure: 93db a vibration cutting wood : 2.5M sec vibration k factor: 1.5M sec net weight: 2.9-3.2Kg contents makita dhs661 18v lxt cordless brushless aws circular saw tct saw blade hex wrench guide rule dust nozzle wi...