eWeLink Smoke Detector Sensor Wireless 433MHz Fire Safety Protection Fire Alarm Home Security System Work for Sonoff Bridge APP

Please Note: Because of shipping limitation, battery(  DC9V 6F22 )  for smoke detector not included.

Features:
*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 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.

Specifications:
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)
 

Shipping:

1.We guarantee to ship goods out within 24-72 hour after payment confirmation except holiday.
2.We ship by China post,HKpost EMS,DHL,Fedex,according to your choice when placing orders .
3.If you didn’t receive the item after 45 days,please feel free to contact us.We will make all our effort to resolve the problem.
4.We are not responsible for delays causedby the customs,other customscharges.
5. Due to stock status and time differences, we will choose to ship your item from our first available warehouse for fast delivery.

Warranty:

1.All items have 1 year guarantee.IF your purchase do not meet merchantable quality, fitness for purpose or match the description, We can make sure your issues are resolved .
2.For wrongly-shipped items, Please contact us in 48 hours after delivery.We will arrange to deliver the correct items or return all your payment.
3.For defective or faulty products,please take photos or videos,we would resend or refund after confirmation.