4 channel relay module, with Optical Isolation, high level absorption. PCB backside has solder mask window, users can add tin to increase control current. With LED indicator. Description: 1.The input signal can be 5V or 12V(Two different model) 2.Are low level effective. Support 5V or 12V 3.It has jump line. Can set high and low level 4.The power source and the relay system power can be divided 5.A set of jump cap. Jump hat off. Can separate the power supply 6.Only one way of high level can be triggered

Specification: 10A125VAC-10A250VAC 10A28VDC-10A30DC 10A(NO) 5A(NC) Response Time less than 10ms Input Signal: TTL Max Voltage: 250VAC 30VDC

Package Including: 1* Relay Module

Please tell me the model (5V or 12V) after Buy Now.

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