Illuminate your cooler at night with the Coghlans Cooler Light. This handy little light automatically turns on as soon as you open the lid. Dimensions: 6.5W x 4.25D x 0.75H in.. Plastic light fits in cooler. Automatically turns on and off when lid is opened and closed. Automatically shuts off after 20 sec.. Lights cooler so you can choose a beverage in the dark.