CO400A WiFi Carbon Monoxide Alarm – Invisible Threat, Visible Protection
Monitor CO levels 24/7 with precise sensors, loud 70dB alarm, and clear LCD display. Battery-powered with 1-year standby, easy wall mounting, and Tuya APP alerts. The essential guardian for your family's safety.
Real‑Time CO Monitoring – Continuously measures carbon monoxide concentration, triggers alarm at 128ppm (±50ppm)
Clear LCD Display – Shows current CO level (ppm) for easy visibility
Audible & Visual Alarm – Loud ≥70dB siren with flashing red light to alert occupants
WiFi Connectivity – 802.11 b/g/n (2.4GHz) connects to Tuya/Smart Life APP for remote notifications
Fault Self‑Test – Automatic diagnostics; fault light indicates sensor or device issues
Flame‑Retardant Housing – Made with fire‑resistant ABS for added safety
Long Battery Life – Powered by 2×AA batteries, standby ≤55μA, up to 1 year of operation
Low Voltage Warning – Alerts when batteries drop below 2.4V
Easy Installation – Wall mount with included double‑sided tape or screws; no wiring required
Wide Application – Suitable for kitchens, bathrooms, living rooms, hotels, camping, and any space with combustion appliances
Product Type: WiFi Carbon Monoxide Detector / Alarm
Detection Gas: Carbon Monoxide (CO)
Alarm Set Point: 128ppm (±50ppm)
Alarm Sound Level: ≥70dB at 1 meter
Alarm Mode: Sound (pulsing beep) + flashing red LED
Display: LCD digital display of CO concentration (ppm)
Wireless Protocol: WiFi IEEE 802.11 b/g/n (2.4GHz only)
APP Compatibility: Tuya Smart / Smart Life (iOS & Android)
Power Supply: 2 × AA (LR6) 1.5V batteries (not included)
Static Current: ≤55μA
Alarm Current: ≤160mA
Low Voltage Threshold: ≤2.4V (notification via LED and APP)
Operating Temperature: -10°C to 55°C
Operating Humidity: ≤95% RH (non‑condensing)
Installation Method: Wall mounting (recommended height 0.3–0.6m from ceiling, near potential sources)
Dimensions: Φ90mm × 33mm
Certifications: CE, RoHS
Package Includes: 1 × CO400A detector, 1 × mounting accessories (screws & double‑sided tape), 1 × user manual
