KEYES HIGH QUALITY MARK
Description:
1.The input signal can be 3.3 V 5 V
2.Are low level effective. Support 3.3V 5 V
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