The Philips LS155S G3/G4 Strip Light is a high-efficiency 24V DC solution with up to 120 lamp beads per meter, delivering a luminous efficiency of 118lm/W. It promises a long lifespan of 20,000 hours, minimizing maintenance. This versatile philips led strip light comes in 4 color temperatures and 5 brightness levels, including IP44 waterproof options, suitable for various applications. For safety and upgradeability, it's recommended to use Philips' special driver for added control and dimming capabilities.