Specifications:

• Brand Name: FOCUS
• Certification: CE
• Certification: FCC
• Certification: RoHS
• Connection Type: wireless
• Origin: CN(Origin)
• Smart home platform: Other
• Wireless distance: 100 meters in open air
• Video Interface: No
• Size: Size:5X1.5X1cm
• Product name: vibration sensor
• power supply : 3V(CR2032 cell button battery included)
• Power: CR2032 lithium battery
• Password Keyboard: No
• Model Number: MD-2018R
• Kit Configuration: Door Sensor
• Display: No
• color: white
• Arming Type: Password Keyboard
• Alarm Type: The Alarm
• Frequency: 868mhz ; 433Mhz for option