SMAKN SRD 12VDC SL C 1 Channel DC 12V High Low Level Power Relay Module Board

Product Name : Opto-isolator 1-Channel Power Relay Module; Coil Voltage : DC 12V Working Type : High/Low Level Trigger; Total Size : 50 x 25 x 18mm/ 2" x 1" x 0.7"(L*W*H) Material : Plastic, Electronic Part Net Weight : 17g Package : 1 x Opto-isolator 1-Channel Power Relay Module Supports high and low level trigger; Each channel can choose trigger way independently; Max load: AC 250V / 10A, DC 30V / 10A; Adopts SMD optocoupler, strong drive ability and stable performance; Trigger current: 5mA; Working voltage: 12V; Allows error; With green power indicator; Relay status indicator light; All ports can be lead out directly, convenient to use. DC+: connects to positive port, DC-: connects to negative port; IN: Can control relay open / close by setting high / low level; NO: constant open port, suspend before close, connect w/ COM after relay closed; COM: common port; NC: relay constant closed port, connects w/ COM before close and suspend after closed.