Hefty 11.6 Amp (2,090 Watt Output) motor produces a no-load speed of 11,500 RPM for greater cutting efficiency through the toughest materials Uniquely sealed armature coil is protected from dust and debris- ideal for dry cutting applications Sealed armature coil additionally helps to minimize vibration producing only 1.4 m/s2 The CM4SB2 produces a low-noise level of only 85dB Dust proof switch prevents debris from entering the tool Metal seated ball bearing wards off damage to the motor caused by high temperatures and vibration, adding to its overall performance and durability Shortest base edge-to-blade distance in its class for easy cuts in tight spaces One touch lever adjusts the depth of cut quickly and easily Elastomer covered handle provides a sure grip and improves comfort Compact at 8-1/8″ in length and lightweight at only 6.2 lbs, this saw is easy to use all day Comes with a premium 4″ continuous rim diamond blade designed for high-performance in dry-cutting