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GZGMET white SIM card cell phone slot quad band SMS intelligent GSM Smoke Detector home security alarm sensor

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98.3 star rating
98.3 of 100

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Brand Name
Model Number
Smoke Detector

16 Jul 2017
It came quickly. The voltage is normal, I will use it. All happy.

- A*******r K.
28 Jun 2017

- B****t N.
12 Jun 2017
From order to arrival at the post-22 days after the issuance of the track before arriving in the mail-20 days. the track was given on the second day. ordered not to himself, so can not say anything. seller did not communicate.

- R***s K.
01 Jun 2017
The goods did not come several times to renew protection, from the border is not monitored

- M*****l Z.
08 May 2017

- A**** S
24 Apr 2017

- G****i T.
11 Apr 2017
Charging workers each packed in a separate box.

- A****j B.
08 Apr 2017
The "high quality power adapter" arrived in my house with defect. Dont works ... I just wasted my money :(

- Anonymous Buyer
04 Apr 2017
Normal quality, packed properly.

- Anonymous Buyer
03 Apr 2017
All is well.

- Anonymous Shopper
30 Mar 2017
Came quickly, but for a long time

- S**********0 S.
29 Mar 2017

- A*** B
28 Mar 2017

- Anonymous Buyer
28 Mar 2017

- D*****y C.
27 Mar 2017
Pay attention the adapter has nonstandard polarity on the outlet, I had to solder. dealer has invested in sending two adapter instead of one thank you. after the autopsy revealed, that at the same appearance adapters have a completely different filling. in general, no complaints, everything is working

- S****y K.
23 Mar 2017

- Anonymous Buyer
22 Mar 2017

- E****y E.
16 Mar 2017
It works.

- R***n P.
01 Mar 2017
Clear 8.99 in.

- A**** S
01 Mar 2017

- Anonymous Shopper





         GSM Smoke Detector

1.  Features:


* Detection methods: Optical Labyrinth

* Low power CMOS microprocessor

* With a manual test function

* GSM Frequency: 850/900/1800/1900MHz

* Preset 5 groups of dial alarming number, 5 groups if SMS number.


2.Technology Parameter


Power supply:AC100-240V

Current: Standby current <20MA,

  Alarming current <100MA

Working Temperature: -10 - 55°C

Working Humidity:  40 - 85%


3. Operations:



1. Insert SIM card

2. Power supply, and the smoke detector will be detected the GSM signal automatically  about 10-30 seconds

3. Set Alarming telephone number: All input set need to switch to English input state.

Edit SMS S1#1.phone number. (For example: preset phone number is 8888, pls edit S1#1.8888 to SIM number in GSM smoke)

Set the 2nd group alarming number, pls edit S1#2.phone number.


4. Set SMS number



 S2#1phone number (For example: preset SMS number is 8888, pls edit S2#1.8888 to SIM number in GSM smoke)

Set the 2nd group SMS number, pls edit S2#2.phone number.     

It can set up 5 groups of phone numbers and 5 groups SMS numbers.


5. Manual testing



Input GSM card, connect AC power, than press "test" button, the detector will "beep" and call preset phone number.





- Open the cover and select a suitable place to fix.

- Select 2 screws and mark the hole in lock.

- Mark the holes on the marked

- Feed screw into the hole after marked it, and fix the product with a screwdriver lock screws.

- Press the test button to check the detector is normal after assembled.(eg100- 240VAC available tests have been performed after the electric plug) 




1) We accept Alipay, West Union, TT. All major credit cards are accepted through secure payment  processor ESCROW.

2) Payment must be made within 3 days of order.

3) If you can't checkout immediately after auction close, please wait for a few minutes and retry  Payments must be completed within 3 days.



We Ship to Worldwide, except APO/FPO.

Items are shipped from China using Airmail, reach most of the countries within 10 to 20 business days.

Delivery time depends on destination and other factors, it may takes up to 20 business days.



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. There are NO EXCEPTIONS! Shipping cost is bear by both seller and buyer in half.

2. All returned items MUST BE in the original packaging and you MUST PROVIDE us with the shipping tracking number, specific reason for the return, and your po#.

3. We will refund YOUR FULL WINNING BID AMOUNT, upon receipt of the item in its original condition and packaging with all components and accessories included, AFTER BOTH Buyer and Seller cancel the transaction from aliexpress. OR, you may choose to have a replacement.

4. We will bear all the shipping cost if the product(s) is (are) not as advertised.




12 months Warranty. Buy with confidence!

If you are not satisfied when you receive your item, please return it within 14 days for a replacement or money back. Please contact me before you return it.

If item is defective in 3 months, We will send you a replacement without extra charger, or offer refund after we receive the defective item.

If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item. But you have to pay the extra shipping fee.



We are not responsible for any custom duty or import tax.

We will leave POSITIVE FEEDBACK after receiving the payment. Please contact us if you are not satisfied with the item after receive it.

All emails will be answered within 1 business day. If you do not receive our reply, please kindly re-sent your email and we will reply to you as soon as possible.

Serious Buyer Only! Please place bid only if you agree with all the terms.





Shipping CompanyShipping CostEstimated Delivery Time
DHL3 - 7 days
UPS Expedited3 - 7 days
EMS5 - 14 days
Post Air MailFree Shipping15 - 45 days
Return PolicyIf 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 ServiceOn-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).

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