2-Pack Carbon Monoxide Detector - High-Accuracy Battery Operated CO Alarm with LCD Display & 85dB Siren

Highlights

• 🛡️ High-Accuracy Sensing: Equipped with a sophisticated electrochemical sensor for real-time, precise detection of CO levels.
• 🚨 Instant 85dB Alert: When dangerous levels are detected, a loud siren sounds alongside a flashing red LED to wake even the deepest sleepers.
• 📟 Informative LCD Display: Monitor real-time CO concentrations and view system status (Low Battery, Malfunction, or Normal Operation) at a glance.
• 🔋 100% Wireless Reliability: Battery-operated design means constant monitoring even during power outages. No hardwiring or sockets required.
• 🛠️ Effortless Installation: Portable and compact. Easily mount to any wall or ceiling with the included screw kit in minutes.

Specification

• Sensor Type: Advanced Electrochemical CO Sensor.
• Alarm Volume: ≥85dB at 3 meters.
• Power Source: 3 x 1.5V AA Batteries per unit (Not Included).
• Battery Life: Approx. 36 months (Easy-replace design).
• LCD Display Codes:
  • 000: Normal Operation.
  • Lb: Low Battery (Needs replacement).
  • Err: Unit Malfunction.
  • 888: Initializing/Power-up.

Details

• Smart Self-Test Function: Features a dedicated "Test/Reset" button. Simply press to verify the siren and sensor are functioning correctly.
• Peak Level Memory: The unit remembers the highest CO levels detected since the last reset, helping you identify slow leaks.
• Wide Application: Perfect for living rooms, kitchens, bedrooms, garages, or even as a portable travel CO detector for hotels and dorms.
• Durable Build: Crafted from flame-retardant material designed for a long-lasting service life.

We offer free shipping on all orders within the U.S.

Orders are processed within 1–3 business days, and delivery usually takes 5–12 business days, depending on the product and warehouse location.

Most orders include tracking information, which is provided 2–5 days after shipment. Delivery is handled by trusted carriers like USPS or regional couriers.

Please note that delivery times are estimates and may be affected by supplier processing, high demand, holidays, or customs (for international warehouse items).

For more details, please see our full Shipping Policy.

We offer a 30-day return policy. You have 30 days from receiving your order to request a return.

To be eligible, items must be unused, in original packaging, and accompanied by proof of purchase. Some items cannot be returned (perishables, custom products, personal care items, sale items, and gift cards).

To start a return, contact us at 📧 360marketopia@gmail.com with your order number and photos or videos of the issue. Returns must be approved before sending. Return addresses may vary, and a shipping label may be provided depending on the situation.

Refunds are issued to your original payment method within 10 business days after approval. EU customers have a 14-day cancellation period.

For more details, please see our full Return & Refund Policy.