【Professional Fog Machine】500W power, only need to warm up for 3-4 minutes, it will spray 2-3 meters of smoke for 40-60 seconds, produce about 2500 CFM (cubic feet per minute) of non-toxic fog, quickly make a room of 20 square meters smoky | 【Safer Fog Machine】This fog machine is installed with 2 temperature controllers to avoid overheating and burn out the machine, ensuring safer use | 【Automatic Smoke Spray】Press the red button on the controller, when the machine temperature reaches the set smoke temperature, the machine will automatically spray smoke without other operations | 【Widely Used】Perfect for enhancing atmosphere of party, Halloween, Easter, Valentine's Day, wedding, and stage effect | 【100% Satisfaction Guaranteed】30-day no-reason money-back guarantee. Please feel free to contact us if you have any questions, we will be happy to provide you with the best after-sales service