Switched by a button near the handle on the back, battery included. You can change it if you want. It is handmade, so the instance that you receive will be different from that in the photo. The product will be small irregularities, because it is handmade, in any manual work will be small mistakes. This hand made and valued.When you get the parcel and open it, then of course the product will smell the paint, because there were long closed. Portal Gun Device Science Handheld P-body ATLAS Co-Op prop Cosplay. Due to the handmade nature of this item it should be treated with care, and the one you receive may have slight variations from the one pictured. The item "Portal Gun Device Science Handheld P body ATLAS Co-Op prop Cosplay" is in sale since Tuesday, January 22, 2019. This item is in the category "Video Games & Consoles\Video Game Merchandise". The seller is "fialeon" and is located in Krasnodar, default. This item can be shipped worldwide.