(4 PCS) 2262 chip 315MHz Wireless Smoke Sensor Fire Alarm Detector Home security Control Personal Protection Link alarm system

 4 PCS 2262 chip 315MHz Wireless Smoke Sensor Fire font b Alarm b font Detector
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 4 PCS 2262 chip 315MHz Wireless Smoke Sensor Fire Alarm Detector Home security Control Personal
80 % of buyers enjoyed this product!
Availability: in stock
Price:  US $31.40 / lot

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Guarantees: On-time Delivery 60 days



-Choose a suitable place

-Mark 2 points for the holes in the wall or ceiling referring to the size of the mount bracket

-Drill 2 holes in the marked points

-Put 2 plastic nut in the holes, then put the bracket on the wall

-Use screws to fix the bracket

-This is a sealed device and not allowed to be opened, please put the batteries in the back cell

-Put the back side near to the wall, turn it clockwise, make sure the two spins are plugged into its holes

-Press the testing button gently to see if it’s working properly

Procedures of Working, Testing and Maintenance

This detector is ready to work when the installation is finished. When working, its led lamp’s blinking about once per minute. When the smoke is detected, the alarm will given out till the air condition is back to a normal level.


Press the testing button for at least 3 second, if a series of ringing alarms is given out, that means the detector is working properly, at the meantime the led lamp is blinking frequently. You can also blow smoke into the inside of the detector to test. (Testing every week is recommended to make sure the detector is always working properly)

Avoid to place the device in positions as bellows:

  1. Places near to the door, window, fan and so on. Sensitivity’ll be reduced because of the fast air circulating.
  2. Places where the humidity is very high, such as bathroom, top floor. Places where the temperature is above 39C or below 5

Notice:this price is not include the 9V battery

About Shipping

1.If the package is below 2KG and NO Battery,we usual use the China Post Air Mail,If the package have battery,we usual use the Netherland Post;If the package is over 2KG we usual use the DHL or another special line logistics(such as aramex)

2.Most of country will arrivel in 40 days use china post air mail,but sometimes maybe have some reason delay the time.we will extend the date.Please Do Not worry.I think the package will arrivel to you finally.if not we will compensate all the money.

3.If the package shipping by DHL.when arrivel your country,The customs maybe need you offer infromation to clearance.So keep your cell phone is on line.usually DHL will arrivel in 20 days since the date of send

4.I really Do not like the negative feedback,if the product have some problem or you do not know How to use it,please tell me,i will answer you as soon as possible

Average Star Rating:
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Name Rating Feedback
Shipping Company Shipping Cost Estimated Delivery Time
DHL 3 - 7 days
UPS Expedited 3 - 7 days
EMS 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).
Price:  US $31.40 / lot
from AliExpress