69 lamp beads, 178W dual-light source UV/LED lamp beads, quickly dries all adhesives. Built-in 28,800mAh lithium battery, charges in 4 hours, provides 12 hours of usage, ultra-long-lasting manicure machine. Eye-friendly, no blackening of hands, no overheating. Digital display screen for clearer time observation. 3 timer modes: 30 seconds, 60 seconds, 90 seconds. Detachable base plate for easy cleaning. Customizable customer luminescent logo.