You can never have to much light, there are all kinds of lights that you will need. For instance head lamps so you can have your hands free to fight off the zombie's.You may also need mini lights that you can use in low low light situations. Spot lights are a really good light for seeing at a distance. Then you have tactical lights which are perfect to attach to your weapon, so it's not dropped while trying to secure your area. Weather you are fighting zombies or if you simply have a power outage or any kind of catastrophic disaster you should always have a back up light system in all parts of your everyday life.