Part Number:1 Package Dimensions:2 x 2 x 2 cm; 100 Grams Batteries Required?:No Item Weight:100 g t is a photoelectric isolation module.The signal conversion board is widely used and can be used for signal isolation,PLC signal level conversion,PNP signal/NPN signal mutual conversion,polarity mutual conversion,signal voltage level conversion and other purposes. Its working frequency is 20KHz,which can be used for signal isolation and polarity reversal. It has a working status indicator and a power indicator,which can directly see the working status of the module. It has a variety of different connection circuits. It comes with a housing and can be mounted on rails. SHOP WITH CONFIDENCE: To provide you with the highest quality service, If you have any question, please feel free to contact us.We will provide after-sales service until you are satisfied. See more product details Its working frequency is 20KHz,which can be used for signal isolation and polarity reversal. It has a working status indicator and a power indicator,which can directly see the working status of the module. It has a variety of different connection circuits. It comes with a housing and can be mounted on rails. SHOP WITH CONFIDENCE: To provide you with the highest quality service, If you have any question, please feel free to contact us.We will provide after-sales service until you are satisfied.