...tt-at.com/product/optical_cleaner/ Appearance Number of ports Current consumption Model 5 0.07A W4S1-05D Appearance Number of ports Power supply voltage Current consumption Model 3 20.4 to 28...https://www.ia.omron.com/data_pdf/cat/zw-8000_7000_5000_q250-e1_6_15_csm1050134.pdf