Push Button Switch with LED (4 pin, 5V) / without LED (2 pin) R16-503 1A Latching/
4 Pins 3V RED LED Light SPST OFF(ON) NO Round Latching Push Button Switch | eBay
5Pcs 12V 24V 12mm Waterproof ON Off Latching Push Button Switch with Wiring Harness and Led Indicator Light, Pre-Wired SPDT Self-Locking 4 Pin Marine Metal Switch for Boats Cars Truck (Blue): Amazon.com: