Product Description:
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
Mal-function Indicator:
Chirp every 30s with green LED out and Err on LCD
Power consumption: 0.3mW
Size: 10 x 4cm
Powered By: 3 x AA Batteries (Not included)
A perfect item for protecting your family from the dangers of carbon monoxide
Advanced level of protection, easy to read with the digital display, even in low light conditions
Displays the level of carbon monoxide the unit is sensing
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.
Test/Reset button is designed for weekly testing if it works properly
and reset the unit during CO alarm
Alerts users when batteries needs to be replaced
This alarm is highly recommended to be mounted on a wall surface
Compact, lightweight & easy to operate
Note:
This device don’t come with battery
Pictures
Payment
1. Just only accept the payment method of Aliexpress.
2. After you added the items into your cart, please following the reminder of payment and finish it.
3. Aliexpress normally takes some time to confirm your payment, so please don`t hurry. We will send your goods asap after the confirmation.
4. Predelivery, you still have the chance to change your order. But if we have sent the goods, your any exchanging requirements will be refused including one application for drawback.
Delivery
1. WORLDWIDE SHIPPING. (Except some countries and APO/FPO)
2. We will send the ordered goods within 2 business days after the payment was confirmed by Aliexpress.Transit times may vary, particularly during the holiday season.
3.Your Tel number is very important for the dispatching.
4. If you have not received your shipment within 45 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction!
5. Due to stock status and time differences, we will choose to ship your item from our first available warehouse for fast delivery.
Returns and exchanges policy
1. You have 7 days to contact us and 30 days to return it from the date it was received. If this item is in your possession more than 7 days, it is considered used and WE WILL NOT ISSUE YOU A REFUND OR REPLACEMENT. Shipping cost is bear by buyer.
2.We offer one year warranty. the first month if find any problem ,please contact us ,But the first 1 months after you received the goods, the shipping fees for your returned bad goods
(from your place to China) will be not charged by us, because we just only bear the new goods instead of your bad goods (from
China to your place). After 1 month, we will not bear any shipping fees.
3. Please contact us before the operation of returning your item, All of the returned items must also be in its original box with all of its accessories.
About Feedback
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