These Wireless LED Puck lights give me daughter's bedroom extra light at night time without having to get out of bed and turning on her desk lamp. The remote allows her to adjust the brightness and dimness by pointing it at each light. Both lights require 3 AAA batteries that were not included. So you will need a total of 6 AA batteries. There are tiny screws that come with the lights should you wish to mount them but with our situation there was no need since she keeps one on her sewing table and one on her bedside table.