These could be great for larps.
There is a deal for Flameless LED Candles Set on Off the Back website today only.
It is a set of three wax candles with LED lights with a remote for $12.99 + $5.99 postage. You can change the colour of the light and set them to flicker or not. But the deal is only for today, so be in quick.
EDIT - These are all sold out now.