A momentary rocker switch, marked with arrows for up and down (or left and right if you put it sideways).
Double Pole, Double Throw ( DPDT )
Perfect for your DIY submarine's cockpit. DIVE! DIVE! DIVE!
This is a modestly large switch, you will want a rectangular hole about 22mm by 27 or 28mm
Note that pressing "up" makes the lower pin connect to common, and pressing "down" causes the upper pin to connect to common (on each circuit), don't go soldering it in only to find out you got it reversed.
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