Metallic Flameless LED Candles - Battery Operated Tea Light Candles - Set of 2 

These make nice altar lights. Simply turn them on from underneath.
(How many sets you want)
SET OF TWO
Choose 
2 Silver color
2 Rose Gold color
2 Gold color

If you have kids this can be a option for you.
Great for festivals, Gifts and special occasions. 
Other items may be in the Altar decorations section. (See menu bar)