DFS60B-TFVA01500https://cdn.sick.com/media/pim/0/30/430/IM0025430.png, Construction size (flange): Ø 60 mm, Communication Interface detail: TTL, Supply voltage: 4.5 V ... 32 V, Programmable/configurable: No, Mechanical design: through hollow shaft, Pulses per revolution: 1500