Extra 90Degree "L"Stickers - 5 Pairs (EMF, Windows, & Mirrors)The 90 Degree Sticker Pack has been upgraded alongside the L90 pendant to help balance electromagnetic fields. As part of the home kit the following configuration is recommended: 2 x L90 stickers should be placed on the homes Wi Fi router. No specific orientation is needed. 1 x L90 sticker should be placed on the homes smart meter if applicable 1 x L90 should be placed on a window on each of the 4 sides of the home (total 4) Additional L90 stickers