COOKSS Carbon Monoxide Detector 2 Pack - LCD Display, 85dB Alarm, Battery-Powered CO Alarm for Home, Office and Warehouse

The COOKSS Carbon Monoxide Detector 2 Pack combines compact design with clear visibility and a loud, reliable alert system. With an easy-to-read LCD and battery-powered operation, these detectors fit naturally into living rooms, workspaces, and storage areas where safety matters but outlets aren’t always available. The twin-pack approach lets you cover multiple floors or rooms, helping you maintain awareness where CO exposure is possible.

Smart, user-focused design

These detectors use a sensitive electrochemical sensor to monitor carbon monoxide levels. A blue LED backlight ensures quick readability in low-light settings, while a low standby current helps preserve battery life for longer intervals between replacements. When the alarm detects elevated CO, the unit’s LCD lights up and the audible alert activates, providing both visual and audio cues for quicker responses.

Real‑world use cases and benefits

Place one detector on each floor or near bedrooms and kitchens to improve situational awareness in everyday spaces. The compact form factor (2.36 in x 2.36 in x 0.98 in) and light weight (about 80 g) allow discreet placement on a shelf or wall mount. The LCD shows precise CO concentration when present (up to 999 ppm), helping you gauge when to ventilate or investigate further. The unit supports operation in typical indoor conditions, making it suitable for homes, offices, and small warehouses.

What to expect in use

First use includes an automatic self-test: the LCD briefly displays 888PPM, the buzzer sounds, and the red LED flashes before entering a low-power monitoring state. In normal operation, a green LED will flash every 15 seconds, indicating the device is ready. If CO rises above 50 ppm, the LCD illuminates to signal a warning, and at or above 300 ppm the alarm sounds loudly while the red LED pulses.

What you'll get in the box

• 2 x Carbon Monoxide Alarm units
• 4 x Screws
• 4 x Anchors

Key specifications at a glance

Sensor type: Electrochemical CO sensor. Battery: 2 x AAA (not included). Display: LED blue backlight. Alarm: 85 dB with simultaneous sound and light cues. Detecting range: 000–999 PPM. Operating environment: 5–40°C, 25–85% RH.