KOHLER K-5639-96 Reveal Nightlight Quiet-Close with Grip-Tight Bumpers Round-front Toilet Seat, Biscuit Round-front seat with lid Overhanging lid design creates a clean and sleek look 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)