Fotodiox Hot Shoe Spirit Two-Axis Bubble Level, for Olympus PEN E-PL1, E-PL1s, E-PL2, E-PL3, E-P2, E-P3, E-M, OM-D, E-M5, Panasonic Lumix DMC-G1, G2, G3, G10, GX1, GH1, GH2, GF1, GF2, GF3, GF5, Spirit Double Axis Easy and Accurate Hot-Shoe Mount Clear and Accurate Display of Two Axis Level A must-have for Panoramic and Architecture Photography All enclosed Design, not Water Evaporation. 24 Month Warranty