Specifications:

• Brand Name: SONOFF
• Bundle: RF Bridge Smart Home Security Kits
• Certification: CE
• Compatibility: All Compatible
• Model Number: RF BridgeR2 / PIR3-RF / DW2-RF
• Note: The Sensor Doesn't Come with Batteries
• Origin: CN(Origin)
• SONOFF DW2-RF: 433MHz Door & Window Sensor
• SONOFF PIR3-RF: 433MHz PIR Motion Sensor
• SONOFF RF BridgeR2: Convert 433MHz RF Remote to App via WiFi
• State of Assembly: Ready-to-Go
• Support: Compatible with Alexa & Google Home
• Type: Alarm System Kits