Fire/Police/EMS/911 responders, open gates with Siren's "yelp" in 2.5 seconds (all sirens in 4.5), hands free.... No codes to remember or keys to lose. A reminder decal on gate tells responder to hold siren on for swift entry.Gate Owners pay only $398.95 for safety and peace of mind!!! Mandate that your gated communities be uniformly 911 "respondable". Thousands now in use! Compatible with all gate operators. Protects property, loved ones. Pass the good word. Homeowners who are gone when the fire breaks out will be glad you did.

SOS-II The SOS II now has it all in a single small package. Yelp (decible time), Fast - or Slow to Trigger, Release or Latch Relay, Momentary or 15 Minute Relay. [more info]

SOS-II is proximity adjustable, and has switchable safety options built into the circuit board. SOS sensors are designed for non-directional use at gated compounds. Audio range: the to on hundred feet (dial adjustable). Thses units are mounted an all weather enclosure (3x6x2 inches). Full instructions are sent with the SOS, including an all weather "Fire, EMS, Police, 911, hold sirens, YELP for SOS entry" decal to place at the controlled site. A demo "yelp" tape is also sent with all orders.

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