New Earykong Wireless Smoke Detector Fire Alarm 433MHz For Home Burglar GSM Alarm System For Home Alarm System

New Earykong Wireless Smoke Detector Fire font b Alarm b font 433MHz For Home Burglar GSM
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New Earykong Wireless Smoke Detector Fire font b Alarm b font 433MHz For Home Burglar GSM
90 % of buyers enjoyed this product!
Availability: in stock
Price:  US $8.30 / piece
Sale price:  US $6.64 / piece

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45 days Money back 45 days Money back Returns accepted if product not as described, buyer pays return shipping; or keep the product & agree refund with seller.
On-time Delivery On-time Delivery
Guarantees: On-time Delivery 60 days


Warm prompt: You can adjust the sensitivity for the smoke detector. (Please look the upside photo) If the smoke detector beep all the time, please reduce the sensitivity. (Turn right) If the smoke detector does not detect the smoke, please increase the sensitivity. (Turn left) 1. This smoke detector can work independently. 2. Also you can connect this smoke detector to your 433MHz alarm system.

If you need more accessories, please see the following links in detail

The detector is suitable for detect the smoke in house, shop, hotel, restaurant, office building, school, bank, library, computer house and storehouse etc. The detector adopts the special structure design and ASIC, has the dustproof, mothproof and anti outside light interference feature etc. While have no smoke, the diode can receive very weak infrared light. When the smoke entering the the chamber, diode can receive more and more light, when the smoke attains the certain density, the detector can give out alarm signal. In order to reduce the interference and lower power consumption, the emitting circuit adopts the pulse signal. This product named Photoelectric detector (hereinafter called detector) detects the smoke by a couple of infrared diodes. The principle of detecting is granule in the smoke can reflect infrared light. Infrared diodes are placed in the special chamber. The chamber can shield external light, but don’t affect the smoke into it. This small gadgets will alert and warn people stay far away from danger field when it detected smoke. Designed for the fastest possible installation. Alarm Indication: Red LED flash. Low battery indicator. Alarm test button for easy testing. High sensitivity. Excellent stability. Color: White Size:10.5 x 10.5 x 3.5cm Weight:88g 100% Brand New.

1. Be able to fire quickly found the fire;

2. Reduce the personnel casualty rate;
3. Reduce fire losses, fire losses are often limited to the burning material in the first place.
The fire statistics also show that ignition and found that the shorter the time interval between the fire, fire the lower mortality.

Product Include

1 x wireless smoke detector (battery not included)

Product Installation

->Choose good surveillance area, install alarm fixed in the surveillance area of jin roof or ceiling. ->Do not install outdoors; ->Do not install in to port, exhaust fan, such as the wind flow larger his door;
->Do not install in more than 10 ~ 50, or humid places;
->Alarm installation location from the corner must be greater than 0.75 meters;
->Must be dustproof, moisture;

->Due to factors such as dust can cause alarm sensitivity decreased, so must regularly test and maintenance. ->Detection alarm once a week, press the test button; ->Every half an year is clean alarm: turn off the power supply, with a soft brush to clean the dust. Warm Prompt: After get parcel, if you have any questiones, please contact me in time, because different time area, sometimes reply not in time, when i see your message, i will reply in time ! If parcel delay or the parcel has been accidentally damaged, please not open dispute and bad feedback, contact us at first, thanks !!! Shipping:

  • Sometimes, system will delay the protect time because of some complex reason, please do not worry. After delay the protect time, you will have more time to check your package.
  • If protect time is not enough, but you did not get the package, please not open dispute, just ask me delay the protect time, thanks.

Warranty: We will do full test before send this product, so you will get a perfect product All the alarm host have Sealed label, please not tear off the label. Not all the 433MHz accessories compatible with all the 433MHz alarm system in the market. Please ask me if have problem 1 Year replacement warranty, buyer is responsible for return shipping costs Feedback: If you are satisfied with this product, please leave me 5 stars feedback, I will service better and better ! If you are not satisfied with this product, please don’t leave negative feedback and low score, because that won’t solve problems. if you are not satisfied, please leave me a message, and I will reply you as soon as possible, I think everything can be solved. (I can send another new product or coupon). Thanks for your visit and welcome to visit us again! (*∩_∩*)

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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 $8.30 / piece
Sale Price:  US $6.64 / piece
from AliExpress