Yes, The Sleepytroll Baby Rocker can be used outdoors. The Gen1 rocker (Light blue top cover) has a IPX2 rating meaning it is resistant to light rain or showers. The Baby Rocker Gen2 has a IPX4 rating meaning it can handle showers from any direction.
The Baby Rocker cannot be submerged. Do not expose the Sleepytroll to prolonged or heavy rain.