The Universal Security Instruments MCN400B M Series Alarm provides dual protection against carbon monoxide and natural gas leaks in one compact plug-in unit. Designed for reliable home safety, it features a digital display, three-color LED indicators, Smart Alarm technology to help reduce nuisance alarms, and a 9-volt battery backup for protection during power outages.

Key Features

• Dual-sensing alarm detects carbon monoxide and natural gas
• Plug-in design allows quick and simple installation
• 9-volt battery backup helps maintain operation during power outages
• Digital display provides visible gas and carbon monoxide readings
• Three-color LED indicator system for alarm status updates
• Smart Alarm technology helps reduce nuisance alarms
• Compact M Series design suitable for residential use
• Operates on standard 120-volt household power

Detailed Specifications

• Brand: Universal Security Instruments
• Model: MCN400B
• Series: M Series
• Product Type: Carbon Monoxide and Natural Gas Alarm
• Detection Type: Carbon Monoxide and Natural Gas
• Installation Type: Plug-In
• Power Source: 120-Volt AC Power
• Battery Backup: 9-Volt Battery Backup
• Battery Type: Lithium Ion Battery
• Voltage: 120 Volts
• Display Type: Digital Display
• Indicator Type: Three-Color LED Indicators
• Technology: Smart Alarm Technology
• Application: Residential Home Safety Monitoring
• Color: White
• Manufacturer Warranty: Limited Warranty
• Manufacturer: Universal Security Instruments