Key Features

• Model Number: FG250

• Replacement Model: SMI100

• Application: Designed for RV use (recreational vehicles)

• Type: Ionization Smoke Alarm

• Sound Level: 85dB at 10 feet (loud, clear alarm)

• Power Source: Battery-operated (requires periodic replacement)

Detection Technology

• Sensor Type: Ionization (optimized for fast-flaming fires)

• Sensor Note: For maximum fire protection, pair with a photoelectric smoke alarm (better for smoldering fires).

Physical Dimensions

• Height: 4.5 in (11.4 cm)

• Length: 1.8 in (4.6 cm)

• Weight: 0.36 lb (163 g)

Installation & Use

✔ Compact design for easy RV installation
✔ Battery-powered (no wiring required)
✔ Test button for regular functionality checks
✔ Low-battery alert (chirping sound when replacement needed)