The SUN4 is a UV LED nail lamp with 36 dual-spectrum LEDs for consistent, full-coverage gel curing at home. Four timer presets, an infrared motion sensor, LCD countdown display, and built-in over-temperature protection in a clean, stable tabletop design. No more peeling or lifting — dual-spectrum light fully cures every layer so gels bond completely to the nail Four timer presets — 10, 30, 60, and 99 seconds so every coat gets the right cure time, not a universal one LCD countdown display — tracks the active cure cycle in real time so you always know exactly where you are Built-in over-temperature protection — thermal management keeps the lamp performing consistently session after session Comfortable and spacious design — a wide, comfortable base provides ample space for manicures, pedicures, and easy cleaning