Operation mode: self-locking/self-resetting. Flat head type. Installation aperture: 12/16/19mm. Pushbutton material: copper nickel-plated. Color ：Red, Green, Blue.
eBay
4 Pcs Momentary Switch Momentary Push Button ON Off Switch 12V 24V Surface Mount Mini Button Switch
Aliexpress UK
Made of stainless steel material, strong and durable, waterproof, with wire. Pin top bull:50N, no loosening and falling off. Instantaneous type, push to turn on, put to turn off. Dustproof and waterproof, perfect for outdoor use.
eBay
JIKONG BMS Switch-Wire 50cm Length with On/Off Metal Push Button Momentary Push Mini Round-Switch Power Push Button
Aliexpress UK
Latching: When the button is pressed, the button will remain in the pressed state. Rated Current: 20A. LED Colour: Red, Green, Blue, Yellow, White. Shell Material: Nickel Plated Brass, Black Oxide. Product: Push Button Switch.
eBay
16/19/22mm 3 Triple Color RGB LED Light Mirco Switch Short Stroke Momentary Self-reset Waterproof Metal Push Button Switch Power
Aliexpress UK
Waterproof: The switch box is designed to be IP54 waterproof, so it can be used both indoor and outdoor. Fine Material: The switch box is of fine ABS plastic made, which is firm, durable and not easy to break.
eBay
Push Button Switch Electric Waterproof Power 6v 12v Led Light Momentary on Off 8/10/12/16/19/22/25/30mm Micro Pressure Switches
Aliexpress UK
Mounting hole: 12mm. Work type: Push to ON - Release to OFF.
eBay
Electric Waterproof Power 12v Led Light Momentary Short Mini Push Button Switch 12/16/19/22/25/30 mm Pressure Switches 220v 24v
Aliexpress UK
Mounting Cut Hole: 16mm. Button Material: Stainless Steel. Operation Temperature: -20°C - 55 °C. Body Material: Stainless Steel (SS is much more resistant to wear and abrasion).
eBay
19/22/25/30mm Ultra Short LED Light Switch 3V 6V 12V 24V 220V Momentary Self Reset Waterproof Metal Push Button Switch with Wire
Aliexpress UK
Shell Material:Copper nickel plating. Waterproof Protection :IP67. Press to turn ON; release to turn OFF. Press once to turn ON ; press again to turn OFF. Latching Switch (maintained switch) 1 x Connector (200mm wire length).
eBay
12/16/19/22mm Waterproof Metal Push Oxidized Black Button Switch LED Light Momentary Latching Car Engine Power Switch 5V 12V 24V
Aliexpress UK
Latching: When the button is pressed, the button will remain in the pressed state. LED Colour: Red, Green, Blue, Yellow, White. Shell Material: Nickel Plated Brass. Product: Push Button Switch. 1PCS x Push Button Switch.
eBay
16/19mm 1NO 1NC Flat Head Waterproof Momentary Reset Metal Push Button Switch Screw Terminal Car Engine Doorbell PC Power Switch
Aliexpress UK