Feature:1. Very durable, high accuracy relay module can be easy to use in the practical life.2. As a low pulse trigger, trigger mode supports high performance according to strict rule.3. Supports simple installation, relay board with strong stability not requires particularly complicated operations.4. After many inspections before leaving the factory, relay module's quality is guaranteed, you can use it with confidence.5. Built to strict quality control standards, 2-channel relay is improved for more durability.Specification:Item Type: Relay moduleModel: SL35B02Working Voltage: DC 6-24V (recommended DC 9V 12V)Working Current: 1 relay pull-in 70MA, 2 relay pull-in 140MAStatic Working Current: 0.24mARelay Load Current: AC 250V / 10A, DC 30V / 10ATrigger Mode: Low level triggerPin Description:V: Positive power supplyG: Negative terminal of power supply and ground terminal of trigger signal;T (T1 / T2 / T3 / T4): Trigger signal input (0.2-2 second low pulse).NO: Relay normally open portCOM: Relay common portNC: Relay normally closed portInstructions:While at power-on, the relay opens. Click the trigger port (T1 / T2 / T3 / T4 port) relay to pull in (and hold), then click the relay again to disconnect, and so on..Package List:1 x Relay Module