Wireless Smoke Alarm Fire Detector Working With GSM PSTN 20pcs 433Mhz | Безопасность и защита

Wireless Smoke Alarm Fire Detector Working With GSM PSTN 20pcs 433Mhz | Безопасность и защита

433MHz Wireless Smoke Alarm Fire Smoke Detector Sensor for Security System

Feature:

Independent installation on ceilings and walls, with mounting bracket, which is easy to install and do not need to debug.
With specially designed cover, can protect it from dust.
Built-in dedicated IC: with stable performance and high sensitivity.
Can monitor air and detect smoke with optical principles. When it reaches the maximum amount that the chamber can bear, it will alert.
LED light flash indicator.
Low battery indication.
With a test button: can take analog alarm tests of the smoke alarm.
Can warn and alert people to stay far away from dangerous field when it detects smoke.
Suitable for use in house, shop, school, office building, storage areas, etc.

Technical Parameter:

Color: white
Material: ABS
Power supply: 9V battery
Standby current: ≤10μA
Alarm current: ≤15mA
Operating voltage: DC9V
Wireless Frequency: 433MHz as default 
Alarm indication: red LED flash & sound
Loudness: ≤120dB
Operating temperature: -10 degrees centigrade to +50 degrees centigrade
Operating humidity: ≤95%RH (40±2 degrees centigrade)
Detecting area: 60 sqm
Item size: 3.4 * 10.7cm/ 1.3 * 4.2in (diameter)
Item weight: 100g/ 3.5oz
Package size: 10.5 * 10.5 * 4cm/ 4.1 * 4.1 * 1.5in

Package Including:

20*433Mhz Smoke Alarm Sensor(without battery)

Note: 

1: If you need 315Mhz,pls leave message to us,thanks.

​2: Battery is not including.