Best Buy has this 2-Pack of Energizer Automatic LED Night Lights on sale for just $5.99 (down from $11.99)! These have a built in sensor to automatically turn on in the dark.
Here are a few more details:
Keep your kitchen, hallway or bathroom safely lit when the sun goes down with these Energizer ENLPLAU2 night lights that feature a sensor to automatically turn on in dark conditions. LED technology offers an energy-efficient design.
Shipping is FREE with an order of $35 or more. You may also be able to arrange for an in-store pick up as well.