Waterproof on/off switch 2p from Mastervolt.

The product code 70906420 is suitable for applications on boats, yachts, and motorhomes. Every electrical switch must meet the highest standards, and Mastervolt offers a wide selection of stylish, waterproof switches for various functions. All fully waterproof switches (IP66) provided by Mastervolt have been tested for frequent use in temperatures from -40 °C to 85 °C and are designed to last over 150,000 cycles. They are available in single or double pole versions and in various configurations.

The parentheses around ON and OFF in the product name indicate momentary connection only.