Brushless motor & 36 V (2 x 18 V) electronics. The integrated rear roller gives your lawn a traditional striped finish. Rear roller for stripes. Tidy lawns with fabric grass collection bag & integrated bag-full indicator. Ideal for mowing medium to larger-sized lawns with long or short grass. Syneon Technology for optimum power & maximum runtime. Compatible with Bosch 18V POWER FOR ALL battery.