Coal Gas Detector Alarm Carbon Monoxide 85db Backlit LCD Display Home Security Supplies

Feature: 1. Blue backlit LCD digital display, easy to read, 85dB high alarm sound protects your safety. 2. Three levels of dangerous concentration automatic switching detection, detection is sensitive and accurate. 3. Manual detection button to detect carbon monoxide concentration in the environment at any time. 4. Energy saving, environmental protection, no radiation, harmless to human body. 5. High reliable semiconductor method, low battery alarm function sounds an alarm every 30 seconds. Specification: Condition: Brand New Item Type: Carbon Monoxide Detector Material: ABS Color: WhiteSize: Approx. 10 x 10 x 3.4cm 3.9 x 3.9 x 1.3inWeight: Approx. 95g 3.35ozBattery: 3Pcs AA Batteries (Not Included) Working Environment: Humidity 4percent 48percent Alarm Sound: 85DB (3 Meters 9.8ft) Alarm Current: <80mA Quiescent Current: <80microamps Low Battery Alarm: Sound an Alarm Every 30 Seconds LCD Display: Lb Alarm Concentration: 50PPM. 60 90 Minutes; 100ppm. 10 40 Minutes; 300ppm. 3 Minutes. Package List: 1 x CO Detector(Not Included Battery)2 x Expansion Nail2 x Screw1 x Manual Note: 1. Please allow 0‑2 cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.