high quality co2 burglar alarm meter wireless monitor

CENTURY HARVEST TECHNOLOGY CO.,LTD founded in 2003 and has more than 10 years experience in design and produce all kinds of thermometer, hygrometer, infrared thermometer speed measuring instrument and so on 200 items. Our products are export to more than 20 countries and regions including Europe and America, Southeast Asia, Africa etc.

Our products have certified by CE, ROHS etc, all of our customers satisfied with the quality. Welcome cooperate with wholesale, distributer, agent etc.

1. Please put this item in ventilated indoor environment for accurate measurement.
2. Keep from water and damp. You should wipe it to dry if affected. Corrosive liquid will damage the instrument.
3. Keep and operate it in ambient temperature. Too high temperature will influence the life of electric parts.

4.  Before using, check plastic housing. Do NOT use damaged instrument.

5.  When low battery icon show on LCD, replace battery on time.

6.  The unit may less efficiency if use improperly. 

7.  Avoid being affected by arc welding machine and induction heaters, Electromagnetic field effects 

8.  Do not place the thermometer on or near hot objects

Q1. Are you you factory or trade company?

A: We are factory located in Baoan industry area Shenzhen, China. You are welcomed if you would like to visit our factory. All of prices that we offered to you is our factory wholesale prices.

Q2. How about your products quality?

A: We provide you 100% QC inspected products before shipments.

Q3. We need engrave our logo or develop our own new product model. Is it OK?

A: Sure, no problem. OEM/ODM order is welcomed. We have a experienced engineer team and professional workers. Best service will be offered to you since we have more than 10 years experience.

Q4. How about the delivery time:

A: 2~3 working days for sample order; 7~35 working days for bulk orders, it's need check the materials condition & production schedules according to the order quantity and which models.

Q5.How long of the warranty time?

A: 12 months from the goods shipped out from our factory. We will send you free replacement if have quality problem.

Q6. Which express company you cooperated with?

A: EMS, DHL, UPS, Fedex, TNT, China Post etc. We ship the goods according to your requried express company.

Q7. If it's OK we use our express account?

A: It's much better if you have your own express account. We will follow any of reasonable shipping requirement.

Q8. The shipping cost is too high. If we could ship by sea?

A: It's acceptable when your order quantity is enough for shipment by sea.