RenseCum Fire Alarms Smoke Detectors – 4 Pack, Photoelectric Sensor, 85dB, Battery Operated

Reliable protection for your home

RenseCum Fire Alarms deliver early detection with dual-sensor photoelectric technology designed to catch slow-smoldering fires before they spread. With a long-lasting 9V battery and ultra-low standby power, these detectors provide year-after-year protection for bedrooms, living rooms, and home offices.

Key benefits at a glance

• Advanced dual-sensor photoelectric technology with up to 10-year lifespan, sensitive to faint smoke and slow smoldering fires.
• High-sensitivity detection with a fast response time (0.08 seconds) and minimal false alarms.
• High-capacity 9V batteries deliver longer life than standard AA-powered detectors.
• 360° smoke inlet plus direct connection to the detector enable instant detection and a loud 85 dB alarm.
• LED indicator and built-in test button for quick, confident checks and real-time status.
• Easy installation with ceiling or wall mounting using included adhesive tape or screws; end-of-life signal included.
• UL 217 safety tested; durable components and a low battery alert to prompt timely replacements.

What’s included

• Four battery-operated detectors for multi-room coverage
• Mounting screws and 3M adhesive tape
• User manual for quick setup and maintenance

In everyday use, expect reliable performance as you sleep, work, or relax. When smoke enters through a 360° inlet, the red LED flashes during an alarm, ensuring you’re alerted even if you’re in another room. The unit’s compact profile blends with most ceilings, while the 4-pack option lets you equip multiple rooms for consistent coverage.

Who should consider these detectors?

Ideal for bedrooms, hallways, kitchens, and home offices where slow-burning fires might begin in soft furnishings or electrical devices. They offer a practical balance of early warning, long battery life, and straightforward setup without relying on mains power.