A Redstone Wall Lantern behaves like a Redstone Torch on the side of a block.
A quick overview of the mod's features with the Amethyst Lantern on the left, then two wall lanterns hanging on a fence, and on the right some hanging Redstone Lanterns showing off their connectivity going downwards instead of up like a Redstone Torch.
Feature in Aurora's Lanterns v2.0.0+, chandeliers provide a nice way to spice up the presentation of candles in interior design. You can mix and match the candle colors, and choose the material of the chandelier.
When placed on a block, the Redstone Lantern will only transmit power horizontally, but if hanging it will transmit horizontally and downward.