BestCon SR3 Multi-Functional Temperature Sensor Kit White 9 x 9 x 4cm

OverviewNote: SR3 must work with Smart Sensor Gateway Hub - MGW1.
Features:
* The multi-functional sensor SR3 must work with Smart Sensor Hub MGW1. It can work with gateway hub and door sensor for elderly care. Gateway supports Alexa, Google Home, IFTTT.
* Broadlink smart multi-functional sensor, you can monitor movement and intrusion, notification will be sent to keep you informed about what is happening around your house. 
* Keep you informed anytime anywhere: You will get notifications when no one is active for long time, or when temperature is too high in the room after connecting with temperature & humidity sensor.
* Know Whether Home is Safe: The gateway hub will send you a notification immediately if someone is detected to move in your room.
* Supports wireless frequency of 433.2MHz.
Specifications:
Product Name: Multi-functional Sensor
Model: SR3
Standard: No adapter
Power Supply: DC 4.5V
Transmission Frequency: 433MHz(default)
Modulation: FSK
Max. Communication Distance: 50m (in open area)
Package Size: Approach. 9 * 9 * 4cm / 3.5 * 3.5 * 1.6in 
Package Weight: Approach. 90g / 3.2oz   
Package List:
1 * PIR Motion Sensor
1 * User Manual (English)