MQ135 MQ-135 Air Quality Sensor Hazardous Gas Harm Detection Module For Arduino, US $2.84 – Picture 0

MQ135 MQ-135 Air Quality Sensor Hazardous Gas Harm Detection Module For Arduino, US $2.84 – Picture 1

MQ135 MQ-135 Air Quality Sensor Hazardous Gas Harm Detection Module For Arduino, US $2.84 – Picture 2

Mq135 Mq-135 Air Quality Sensor Hazardous Gas Harm Detection Module For Arduino

US $2.84

HK, Hong Kong
Jan 29th

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MQ135 MQ-135 Air Quality Sensor Hazardous Gas Harm Detection Module For Arduino Item Description Item specifics: Totel Size: Approx.38x21x22mm (LxWxH) The main chip: LM393, MQ135 gas sensing probe Operating voltage: DC 5V Features: Signal output indicator instructions. Dual signal output (analog output, and TTL level output). TTL output valid signal is low. (output low signal light, which can be accessed microcontroller IO port) Analog output with increasing concentration, the higher the concentration, the higher the voltage. Sulfide, benzene Department of steam, smoke and other harmful gases with high sensitivity. Has a long life and reliable stability. Rapid response recovery characteristics. A hazardous gas detection apparatus for the family, the environment, suitable for ammonia, aromatic compounds, sulfur, benzene vapor, smoke and other gases harmful gas detection, gas-sensitive element test concentration range: 10 to 1000ppm Package Included: 1pcs x MQ-135 Air Quality Sensor Hazardous Gas Detection Module Payment Description We accept PayPal payment only. Please make sure you have a valid/confirmed PayPal account before bidding.please double confirm the size in the item description before you pay. please double confirm the shipping address is correct before you pay. (the e-check payment will need 3 to 6 working days to deal with in PayPal and in the bank.) as soon as cleared your payment, we will ship it out in 48 hours.If you can not pay in time, plz contact us. Shipping Description 1.We do not offer Combine Shipping Service.You Need full amount of Each shipping fee and insurance. 2.We will repackage this item to reduce shipping weight,paper,bag and waste.We guarantee the item will be treated well, and protected well. Please help us reduce waste.Let us protect the environment together ! Thanks. 3.We ship your orders within 1-2 business days after the payment cleared 4.Delivery time depends on destination and other factors,in most times item will reach most of the countries within 15--25 Business Days.To some remote areas may take more than 30 working days. If you don't receive the item after 30 days, please contact us, we'll investigate and solve the delivery problem. To some remote areas may take more than 45 days! 5.Please make sure your address in eBay is correct.Your PAYPAL address MUST MATCH your Shipping address.If you want to change the address please E-mail us right after you pay for the item. 6.If you have not received your shipment within 30 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Your satisfaction is our goal! Return Description 1.All item Comes with Basic 3 Months Sellers Warranty, if item defective in 3 Month, We will offer replacement withour extra Charger(including shipping fee)After we Receive the Defective item. If item Defective after 3 Month, Buyers can still send it back, We will contact suppliers or Manufactory for Warranty. Buyers Might Need pay the Shipping fee For resend the replaced item. 2.If item DOA(Dead of Arrival), Buyers Can return it in 14 Days, We will Replace it with New item after we receive DOA item. Please Contact us Before you sent the item back. 3.All item can be returned for exchange only. The buyer has responsiblity for all return shipping including DOA or defective return. About Us 1.If you’re in any way dissatisfied or any question with your purchase,please feel free to contact us via ebay messages.And will response within 48 hours.We will try our best to solve it for you.We are committed to ensuring that you are completely satisfied with every transaction. Your satisfactory is our goals 2.Please allow 1-2 business days for us to response. If you do not receive any reply from us,please check your email ensuring your mailbox has not reached full size. 3.Due to some ISP SPAM filter settings, you may not be able to receive our replies; if you have problems receiving our emails, you may need to use a different email account to contact us. 4.If you encounter any trouble. Please give us the opportunity to resolve any problem. We understand the concerns and frustrations you might have and will try our best to resolve the issues. 5.We care about our valued customers and will always try to help you. So if you have any problems, please contact us promptly. Thank you very much! We wish you have a good purchasing experience on ebay and enjoy the purchasing from store. On Dec-24-14 at 01:41:33 PST, seller added the following information: