Brushless motor - higher power, more compact dimensions and longer life. 30cm guide bar and saw chain. Chain brake - stops the chain reliably. Automatic chain lubrication - reduces maintenance work. Tool-less chain tensioning - easy chain/bar change and quick retensioning without long breaks. Tool-free oil tank cap and semi-transparent oil tank - for easy and quick checking of the oil level. Rubberized handle and ergonomic design for fatigue-free working. Standard as basic type (without batteries and charger) optimally suitable for already existing 18 Volt XR or 54 XR Flexvolt batteries of all Ah classes.