People have to sleep. Your security system doesn’t. Our UL Listed Monitoring Station is on duty 24 hours a day 7 days a week, ensuring your safety, even when you’re not at home. You don’t even need a traditional phone line. Monitored fire alarm systems from First Response have a built-in cellular connection with a backup battery, so even if the power goes out, your home and family are still protected against the dangers of fire, smoke and CO.