Emerson 90-294Q SPDT Enclosed Fan Relay - Electronics - Amazon.com
NTE Electronics RS3-1D10-51 Series R3 Solid State AC and DC Power Relay, SPST-NO Contact Arrangement, Back to Back Dual SCRs, 3-32 VAC Input, 24-240 VAC Output, 10 Amp: Amazon.com: Industrial & Scientific
2PCS DC 3V-15V 5V 12V Voice Control Delay Switch Miniature Microphone Sound Activated Time Delay Turn Off Module Voice Alarm Sensor Module for LED Relay Electronic Device: Amazon.com: Tools & Home Improvement