KOHLER 75793-0 Reveal Nightlight Quiet-Close with Grip-Tight Round-Front Toilet Seat, White Light intensity designed to provide enough light to see the toilet without disrupting nighttime vision Choose between two brightness levels: a soft glow or a brighter illumination Dual led lighting includes guiding light when lid is down and task light when lid is lifted Illumination cycle with automatic 7-hour nightlight Up to 6 months of battery life (uses 4 aa batteries, not included)