Twidec/6Pcs Mini Momentary Toggle Switch SPDT 3 Position 3 Pins (0N)-Off-(ON) Miniature Toggle Switch AC 5A/125V 2A/250V Car Boat Switches with Waterproof Cap MTS-123-MZ: Amazon.com: Industrial & Scientific
File:SPDT-Switch.svg - Wikimedia Commons
Amazon.com: Cylewet 10Pcs 12mm Vertical Slide Switch SPDT 1P2T with 3 Pins PCB Panel for Arduino (Pack of 10) CYT1016 : Industrial & Scientific
SPDT Failsafe DC to 26.5 GHz Electro-Mechanical Relay Switch, TTL, 90W, 12V, 2M Lifecycles, Suppression Diodes, Indicators, SMA