The 2' x 2' Ambient LED Light is designed to provide you with optimal light that meets your general lighting requirements, this Solar Series Ambient Light comes with up to two lighting functions. Ambient function is standard, Exam Light is optional and provides increased lumens to the bed for general examinations. The lenses and reflectors used in the 2x2 Ambient LED Light offer clean, glare-free light to ensure maximum light output for caregivers to perform their tasks while creating a comfortable lighting environment for the patient.