The Kidde Nighthawk KN-COP-DP-LS (model 900-0234) is a discontinued AC plug-in carbon monoxide alarm with digital display and battery backup. The digital display shows CO concentration from 30–999 PPM, updated every 15 seconds. Battery backup provides continuous CO monitoring even during power outages. A tamper-resist feature alerts you if the unit is unplugged. The Nighthawk line had a 7-year product life providing 40% longer protection than comparable CO alarms of its generation.
What is the Nighthawk CO alarm brand?
Nighthawk is a Kidde sub-brand that was known for its CO detection technology. Nighthawk alarms were known for digital displays and battery backup features. The Nighthawk line has been superseded by current Kidde product lines, but Nighthawk models are still in service in many homes.
Is the KN-COP-DP-LS still available for purchase?
This model has been discontinued. For a current equivalent, Kidde recommends the KN-COP-DP-10YL, which provides an upgraded 10-year sealed battery backup, digital display, and peak level memory.
# Kidde Nighthawk AC Plug-In Carbon Monoxide Alarm with Digital Display **Model:** `KN-COP-DP-LS` **Brand:** Kidde **Category:** Co Alarm Plugin > The Kidde Nighthawk KN-COP-DP-LS (model 900-0234) is a discontinued AC plug-in carbon monoxide alarm with digital display and battery backup. The digital display shows CO concentration from 30–999 PPM, updated every 15 seconds. Battery backup provides continuous CO monitoring even during power outages. A tamper-resist feature alerts you if the unit is unplugged. The Nighthawk line had a 7-year product life providing 40% longer protection than comparable CO alarms of its generation. ## Specifications | Attribute | Value | |---|---| | Product Type | Carbon Monoxide Alarm | | Alarm Type | co | | Sensor Co | electrochemical | | Power Source | plugin-ac | | Voltage | 120V AC | | Battery Backup | Yes | | Battery Type | AA | | Battery Replaceable | Yes | | Voice Alerts | No | | Smart Wifi | No | | App Connected | No | | Digital Display | Yes | | Low Level Co Alert | No | | Explosive Gas Detection | No | | Indoor Air Quality | No | | Peak Level Memory | Yes | | Hush Feature | Yes | | Interconnect | No | | Interconnect Type | none | | Alarm Db | 85 | | Ul Co | UL 2034 | | Warranty Years | 7 | | Discontinued | Yes | ## What's Included - alarm unit - batteries Source: https://www.jaspecs.com/kidde/co-alarm-plugin/kn-cop-dp-ls-kidde-nighthawk-plugin-co-alarm-digital-display/