Add-on Wireless Smart Door/Window Sensor (for Air-Alarm II)

**Fully compatible with Air-AlarmII/IIB
**Downward compatible with Air-Alarm1 and Air-Alarm-DL without smart beep feature**
( Sold through our authorized reseller Do not click here for any promotion or clearance sale items )

Key Specifications and Features:

  • Operating power: 23A 12V alkaline battery
  • Wireless Transmitting distance: 450ft (in open area)
  • Service life: up to 2 years
  • Alarm Distance: < 4cm
  • Host LED light flashes when door is open
  • Host chirps when door is open and closed (when disarm mode)
  • Smart beeping and zone LED indication features to alert the opening status of any door/window sensor when attempting to arm the system

Product Contents

  • 1 x SM-87L
  • 1 x Manual

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