KOHLER K-2599-0 Transitions Nightlight Quiet-Close with Grip-Tight Elongated Toilet Seat, White Integrated child-size seat offers safe, easy use for children Light intensity designed to provide enough light to see the toilet without disrupting nighttime vision Dual LED lighting includes guiding light when lid is down and task light when lid is lifted Grip-Tight bumpers add stability and prevent shifting Up to 6 months of battery life (uses 4 AA batteries, not included).Bolt Spread:2 inches