2-Pack COOKSS Battery-Powered CO Detector for Home, Office & Warehouse: Accurate Digital Alarm with LCD & Sound Alert

Specifications: - Sensor Type: Advanced electrochemical carbon monoxide sensor - Power Source: Operated by 2* AAA size 1.5V batteries (not provided) - Display: LED with blue backlight, digital and informative - Alarm Indicators: LCD display, audible alerts at 85 decibels, and visual red light flashes - Ambient Conditions: 5~40°C temperature range, 25~85% relative humidity - Detection Range: 000~999PPM, with an accuracy of +/-10% - Dimensions: 2.36in(L) x 2.36in(W) x 0.98in(H) - Weight: 80g - Initial Setup: On first use, an alarm self-test occurs, showing "888PPM" on the LCD, accompanied by buzzer sounds and flashing red light, followed by a 10-second countdown before entering low-power monitoring mode.

Operation States: 1. In idle, the green LED flashes every 15 seconds, indicating normal operation. 2. Alarm activated when CO concentration exceeds 50PPM, with LCD activation. 3. At 300PPM or above, the LCD illuminates, red LED flashes, and alarm sounds.

LCD Screen Instructions: - 'Err' indicates a malfunction. - 'Lb' denotes low battery and suggests replacement. - '999ppm' signifies CO levels above 999ppm; below 999ppm but above 30ppm displays actual concentration.

Package Contents: - 2 Carbon Monoxide Alarms - 4 Screws for installation - 4 Ancillary items for sound and light alarm

Features: - Battery-powered, with low consumption and extended standby time - Portable and easy to install, no socket needed, ideal for any location - High sensitivity and rapid response for early detection of CO leaks - Alarm thresholds: 50ppm (alert within 60-90 minutes), 100ppm (alert within 10-40 minutes), and 300ppm (alert within 3 minutes) - Safety note: Avoid direct gas injection during detector testing

Warranty and Support: All CO alarms undergo rigorous testing. For inquiries, contact our customer support within 24 hours.

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