High-volume dual CO and smoke detector, 104 x 104 x 39 mm

This combined smoke and carbon monoxide detector is an alarm designed for indoor use in various environments such as villas, factories, shopping centers, warehouses and office buildings. It features a digital display and an audible alarm, ensuring a high level of security thanks to its advanced detection capabilities. Technical Specifications Type: 2-in-1 Smoke and Carbon Monoxide Detector Sensor Technology: High-precision electrochemical sensor for carbon monoxide detection Additional Sensor: Infrared photoelectric sensor for smoke detection Power Supply: Requires 3 x 1.5V AA batteries (not included) Alarm Volume: ≥ 85 dB Installation Drill two marked mounting holes in the ceiling. Use a hammer to drive two plastic eyelets into the holes. Secure the bracket by inserting and tightening the provided screws into the plastic eyelets. Operation After installing the batteries, the device will beep and operate normally within 2 minutes. Press the "test" button to verify that the alarm is functioning correctly.