The DEWALT DCS355 XR Brushless Oscillating Multi-Tool delivers up to 57% more runtime over brushed motors. It uses the Quick-Change Accessory System that allows blades and attachments to be changed without the use of tools. The Dual-Grip Variable Speed Trigger provides the ultimate speed and application control. It has a bright LED light that illuminates dark work surfaces for accurate cutting, whilst the depth control straight cut guide increases cutting accuracy for detailed work. DCS355P1: 1 x 18V 5.0Ah Li-ion Battery DCS355M2: 2 x 18V 4.0Ah Li-ion Batteries DCS355M1: 1 x 18V 4.0Ah Li-ion Battery DCS355D2: 2 x 18V 2.0Ah Li-ion Batteries DCS355D1: 1 x 18V 2.0Ah Li-ion Battery DCS355N: Bare Unit, No Battery or Charger Specification: No Load Speed: 0-20,000/min. Length: 310mm Weight: 1.06kg DEWALT DCS355N XR Brushless Oscillating Tool 18 Volt Bare Unit. Supplied WITHOUT batteries or a charger. DEWDCS355N