What's in the box:

Andoer EOS-M4/3 Adapter Ring Lens Mount for Canon EOS Lens to Fit for Panasonic Olympus Micro M4/3 Mount Camera Body (Standard)

Features:
Adapter ring for Canon EOS mount lens to fit for Panasonic Olympus Micro 4/3 M4/3 mount camera body.
Made of aluminum alloy, more durable.
Supplied with lens release lever to quick release and install.
Manual focus, can reach infinity focus.
Suitable for Panasonic GF1, GF2, GF3, GF5, GF6, G1, G2, G3, G6, GX1, GX7, GH1, GH2, GH3 and for Olympus E-M1, E-P1, E-P2, E-P3, E-P5, E-5, E-PM1, E-PM2, OM-D, E-M5, E-PL1, E-PL2, E-PL3, E-PL5 or other M4/3 mount camera bodies.

Specifications:
Suitable Model: for Panasonic GF1, GF2, GF3, GF5, GF6, G1, G2, G3, G6, GX1, GX7, GH1, GH2, GH3 and for Olympus E-M1, E-P1, E-P2, E-P3, E-P5, E-5, E-PM1, E-PM2, OM-D, E-M5, E-PL1, E-PL2, E-PL3, E-PL5 or other M4/3 mount camera bodies
Item Size: 6.2 * 6.2 * 3cm / 2.4 * 2.4 * 1.2in
Item Weight: 50g / 1.8oz
Package Size: 6.8 * 6.8 * 3.5cm / 2.7 * 2.7 * 1.4in
Package Weight: 60g / 2.1oz

Package List:
1 * Adapter Ring