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Product introduction:
1. This module is in line with international safety standard, control areas and load area have the isolation groove; 2. USES the loose quality goods relay; 3. Have power and relay operation instructions, and bright, disconnect the dawn; 4. Signal input signal, the public end and will often start conduction; 5. Can be used as a microcontroller development board module, can be used as a home appliance control; 6. DC or AC signal control, can control 220 v ac load; 7. And one often opened a normally closed contact; 8. Blue KF301 terminal line more convenient.