Precautions: 1. After preparation, light the smoke agent, cover the mouth and nose (or wear a mask), and leave the scene quickly after igniting to avoid inhaling the smoke or choking. 2.People and pets must not stay at the scene. When the product is ignited, go outside immediately. 3. The space equipped with smoke alarm system should be closed before using smoke agent to avoid triggering the system and alarm (be sure to use according to the instructions), and keep watch nearthe room to prevent open fire.