eWeLink Wireless RF 433MHz Smoke Alarm Detector Fire Security Alarm Protection Smart Sensor


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  •  Delivery & Return


    1. We ship your order worldwide. 2. All orders are shipped with a tracking number. 3. Orders are processed and prepared to be shipped within 2-5 business days. Including quality checks, packing, paperwork, etc. Delivery times may take 3-14 (business days) from the time of purchase to shipping your order worldwide unless it is specified. 3-5 business days delivery time for Expedite shipping(DHL/FedEx/UPS etc) 7-14 business days delivery time for Standard Shipping(EMS/YunExpress etc) Please note that there will be substantial differences in the time of delivery, depending on your country of delivery. During sale periods and promotions the delivery time may be longer than normal.


    1. For whatever reason, if you are not satisfied with your received within 3 days and the product is still in brand new condition and with its original packaging, you can return it to us (need to send back all parts) for a partial refund, which will cover the price of the item minus the shipping fees. You will be responsible for paying the return shipping fees. 2. To start a return, you can contact us. If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted. 3. Your return will usually be processed within a week to a week and a half. We’ll send you a Return Notification email to notify you once the return has been completed. Please allow 1-3 business days for refunds to be received to the original form of payment once the return has been processed.


    Give us a shout if you have any other questions and/or concerns. Email: [email protected] Phone: (+01)-662-300-6268
  Estimated Delivery: Tuesday, Jun 18 – Friday, Jun 21
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*Support three alarms: independent sound & light flash alarm, wireless 433 transmission network alarm.
*360 degrees smoke detection and alarm, no dead angle, reliable. Built-in 90 dB sound and light alarm reminder, effectively prompting people to evacuate.
*Adopt high-performance photoelectric two-way scattering patented technology of two-receiving & one-transmitting and high-sensitivity sensing, stable, reliable, safe and accurate.
*This smoke sensor can work alone to realize an independent alarm at home. To achieve remote control on the phone, smoke detector needs to work with Sonoff RF bridge( 433Mhz, EV1527) host.
*Ultra-low-power microcontroller + photoelectric principle technology, long standby life battery use for 3 years.
*Low Voltage Alarm: When the battery voltage is lower than 6.8V, a warning sound is issued to remind the user to change the battery.
*Full snap-in patented structure, simple installation, no need for debugging and wiring. Convenient for cleaning and battery replacement.


Power Supply: DC 9V 6F22 alkaline battery (not included)
Standby Current: ≤10uA
Alarm Current: ≤100mA
Alarm Indication: Sound alarm & LED flash
Sound Level: 90dB/3M
Detecting Area: 20 square meter
Wireless Frequency: 433MHz
APP: eWeLink
Operating Temperature: -10°C ~+50°C
Operating Humidity: ≤95% RH
Item Size: Approx. 10.5 * 10.5 * 3.5cm (L*W*H)
Package Information:
Package Size: Approx. 10.5*10.5*3.8cm / 4.1 * 4.1 * 1.5in
Package Weight: Approx. 120g / 4.2oz

Package List:

1* Wireless Smoke Detector
1* User Manual (English)

Weight0.2 kg
Dimensions11 × 11 × 4 cm

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