3Pcs Smoke Detector Wireless 433MHz Fire Security Protection Alarm Sensor for Smart Home Automation, Work with Ewelink APP

Specifications:

• work with: RF bridge
• Transmitting frequency: 433.92, transmitting code 1527 protocol
• State of Assembly: Ready-to-Go
• Product Name: Wireless RF433 Fire Prevention Sensor
• Power Supply: DC9V/6F22 battery( not include due to limited)
• Model Number: Smoke sensor
• Frequency: 433MHz
• Compatibility: All Compatible
• Camera Equipped: No
• Brand Name: EJLINK