LIGHT IT! by Fulcrum 30019-308 Fulcrum Wireless Remote Control Switch, L X 5.8 in W X 1.8 in D, 120 Vac, (2) AAA Battery Programmable - Radio frequency works through walls and can be easily programmed and expanded for up to 20 remote control LED lights (sold separately) Easy installation - Double sided sticky tape mounts quickly and securely without any hardwiring or plugs Energy Efficient - Auto shut-off timer keeps batteries from burning out if left on inadvertently Build Your Own LED Lighting System - Works with all Light It! brand remote control lights including wall sconces and ceiling lights (sold separately) Battery Operated - Runs on 2 AAA batteries (not included)