EWeLink Smoke Detector Sensor Wireless 433MHz Fire Security

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- 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:

Supply: 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)

a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a