You are looking at a heavy duty 20 Amp 12 volt (10 Amp 24 Volt) on/off switch which can be used for your in car installations.
This can be used as a on/off switch for you driving lights.
- 1 x Switch
CAVITY - 36mm high x 28mm deep (+12mm terminals) x 18mm width
FASCIA - 25mm wide x 44mm