Maximum speed 1000rpm. Maximum volume stirred 1 litre (water). Variable speed control with 'off' position. With stainless steel top plate 120 x 120mm and moulded ABS outer case. Overall 120 x 120 x 45mm L x W x H. Supplied with 25mm PTFE coated follower. For 220-240V 50/60Hz single phase supplies.