Sparked Innovations RBX-LITE4 Four-Channel Relay Box
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Self-contained four-channel 12VDC relay box with ignition interrupt and master/slave functionality. You may use a fifth switch and wire harness connected to the Master input to control the entire on/off functionality of the relay box. Alternatively, you may hook an accessory wire from your vehicle’s ignition to the IGN input for easy remote turn-on capability.