Delta, Sanborne, Elongated, Night Light Toilet Seat, Slow Close Feature Keeps Seat From Slamming Shut, Quick Release Seat For Ease Of Removal & Cleaning, 4 NoSlip Seat Bumpers Keep Seat From Slipping, LED Light Illuminates Bowl When Seat Ring Is Up Or Down, Uses 4 "AA" Batteries, Not Included, Automatically Turns On For 9 Hours, Off For 15 Hours.