Actually, the device is being used as a night light at my diesel tank. Whenever power is applied to the pump, power also goes to the light and I know that the pump is activated. For me, the red light does not hamper my night vision. For anyone helping themselves to my fuel at night, the light lets me know and they tend to scamper away when it is lit. My neighbors may also see the light at a distance and know that something is going on.
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