The Sealite SL60 is the worlds most popular and versatile 2-3nm+ solar marine light- Made from tough, durable polycarbonate and using the latest high intensity LEDs, no expense has been spared in the design and development of this lantern- The SL60 can be installed in minutes, and requires no operator intervention- The flash characters are easily adjusted onsite by the user, and the lantern has a permanent onoff switch for easy storage- During daylight hours the solar module will charge the battery and the lantern will automatically begin operation at dusk - once the ambient light threshold drops sufficiently- The sealed battery compartment allows the battery to be replaced after years of service - dont throw the light away at the end of the battery service life- Optional 200mm OD Base Pattern- The SL60 is available with optional large 200mm OD base pattern to suit installation requirements- SKU: WSMR030