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STI-6210 STI Life Ring Theft Stopper

SKU: STI-6210
  • Highly visible "stop sign" design discourages wrongful use of life-rings.
  • Sounds a powerful 105 dB warning horn when activated, drawing attention in a hurry (95 dB low volume setting can be set if desired).
  • Virtually indestructible polycarbonate housing.
  • Compact design 5 in. (127mm) in diameter and 1.875 in. (48mm) deep.
  • Mounts easily next to life-ring.
  • Screws and anchors included.
  • Deactivation cable provided for service by authorized personnel.
  • 9-VDC alkaline battery is provided.
  • Note: End user must verify the alarm and battery function every six months and replace battery annually or as required.
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MSRP Price: $72.97

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STI-6210 STI Life Ring Theft Stopper
STI-6210 STI Life Ring Theft Stopper
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Product Details

This compact and self-contained alarm helps make sure waterside life rings are ready for use when required to save lives. Installation of the STI-6210 helps prevent misuse and theft of life rings but does not interfere with lifesaving operations in any way.
This Stopper uses a time-tested, steel cable operated switch mechanism that is activated when the cable is removed from the device. When the protected life ring is removed from its normal position, the device sounds a piercing 95 or 105 dB alarm. Immediate attention is drawn to the area and the prankster with either run before stealing the life ring or be caught. The highly visible stop sign design and “STOP – EMERGENCY USE ONLY” message on the unit’s faceplate serve as a deterrent itself. The sound of the alarm also helps draw attention to the area when a person is actually in need of the life ring. It is easy to install and all necessary screws, anchors and its 9 VDC battery power source are included.


  • Housing - 1/8 in. Polycarbonate
  • Power Source - 9 VDC Alkaline
  • Warning Horn at 1 foot
    • 95 dB - Low
    • 105 dB - High
  • Cable - 1/8 in. galvanized steel 16 to 18 in. long
  • Dimensions - 5.375 W x 5.375 H x 2 in. D 137 x 137 x 51mm
  • Standby Current - None
  • Alarm Current
    • 40 mA at 95 dB
    • 150 mA at 105 dB
  • Recommended Operating Temperature - 32°F to 120°F(0°C to 49°C)

STI-6210 Spec Sheet

STI-6210 Installation Manual

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