Electro Binoculars are used to magnify distant objects. They are powered by battery cells and drain power at a minimal rate. In Single Player, the primary fire and secondary fire keys zoom the binoculars in and out. In Multiplayer, the binoculars only provide a slight magnification. The binoculars are good for seeing enemies from far away. An interesting fact about the Electro Binoculars is they display your in-game yaw direction at the bottom of the screen.