Home Security Indepedent LCD Digital Carbon Monoxide Detector CO gas Sensor Alarm accurate digital display Voice prompt
|45 days Money back Returns accepted if product not as described, buyer pays return shipping; or keep the product & agree refund with seller.|
Guarantees: On-time Delivery 60 days
- Battery powered Carbon Monoxcide Alarm
- Any carbon-containing fuel will produce carbon monoxide when the combustion is not enough(Oxygen is lacking). Natural gas burn don’t exclude exhaust gas in time
- CO gas is colorless and tasteless, so it can not be found in time . People will be poisoned if stay in this environment for a long time. Even die in the case of seriousness
- Digital display, When the concentration exceeds the standard, immediately issued a treble alarm Durable carbon monoxide detection probe
- Exquisite and small, to meet the needs of a variety of protective scenes
- Sensitive detection, none-error alarm, accurate digital display,clea
Sensitivity/Alarm Time: Within 60~90 minutes at 50ppm CO concentration; Within 10~40 minutes at 100ppm CO concentration; Within 3 minutes at 300ppm CO concentration LCD Displayer (optional): 4 digits LCD displayer Audibility: 85dB ( at 1m distance ), Frequency 3 – 0.5KHZ Standby Current: <50μA Alarm Current: <50mA Standby Mode: Green Led flashes once every 30 seconds Alarm Mode : Red Led quickly flashes 4 times with unit chirping every 5 seconds, then repeat, Low-bat Indicator:Chirp every 30s as battery lower than 3.3V with green LED flashing and Lb on LCD Chirp every 30s with green LED out and Err on LCD Power consumption: 0.3mW Powered By: 3 x AA Batteries (Not included) Green LED: Flashes every 30 seconds to indicate the unit is operating properly. The green LED will also flash before CO reading is taken and when any button is pressed. Red LED : When a dangerous level of carbon monoxide is detected the red LED will pulse and a loud alarm pattern will sound. The carbon monoxide alarm pattern is 4 short beeps, followed by 5 seconds of silence, followed by 4 short beeps with a corresponding red LED flash. This cycle will continue for 4 minutes and then change to 1 cycle every minute until the device is reset or the CO is eliminated. Packing Content: 1 x Carbon Monoxide Detector (not included battery ) 2 x Screws 1 x English manual Payment: •Payment must be finished in 3 days after order placed. •If you have problem with payment, please contact with us or customer service of Aliexpress. Shipping: •We will ship package in 2-3 business days after payment clear. •We can’t control service transit time, this information is provided by the carrier and excludes weekends and holidays. so please give us time to check package for you . •SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays.Transit times may change, especially in the holiday. Warranty: •1 Years replacement warranty. •Return is not accepted if you change your mind or purchased the wrong item. •Buyer is responsible for return shipping costs and insurance. •Shipping/Handling/Insurance costs are not refundable. Feedback: •If you are satisfied when you receive it , please give me good feedback and 5 stars, your Positive feedback and all 5 stars are important to us which encourage us to do better and support best service and good product for you .Thanks! •Please don’t leave negative feedback and low score, because that won’t solve problems. Please give us an opportunity to service you again . Contact Us: •Hours of Operation – We are open Monday through Saturday 9:00am – 6:00pm in Beijing time. If you mail us a question after business hours, we will do our best to answer your question. If not, we will get back to you on the following business day.
|Shipping Company||Shipping Cost||Estimated Delivery Time|
|3 - 7 days|
|3 - 7 days|
|5 - 14 days|
|Post Air Mail||Free Shipping||15 - 45 days|
|Return Policy||If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.
N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
|Seller Service||On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).|
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