Sentry II Door Alarm, 80-95 dB

Item No. 4702
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Crest’s Sentry II Door Alarm is inexpensive yet durable. Once installed, it is virtually theft and tamper-proof. Powered by 9 V battery (not included). It requires no external wiring. Easy to install. Sentry II emits a piercing, modulating tone when door is opened. Front panel mounted key switch
Price
$99.95
excl. tax
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Description
Crest’s Sentry II Door Alarm is inexpensive yet durable. Once installed, it is virtually theft and tamper-proof. Powered by 9 V battery (not included). It requires no external wiring. Easy to install. Sentry II emits a piercing, modulating tone when door is opened. Front panel mounted key switch allows prompt alarm shut-off only by authorized personnel. On standard model, alarm ceases only when key is used to deactivate. Two keys included. An automatic reset model is available.

  • Case constructed of heavy-gauge stainless steel
  • Sounder available in 2 volumes
  • Unique, tamperproof design
  • Installs in minutes
Specifications
Item Width 2.6875 in
Item Height 4.5625 in
Item Depth 1.5625 in
Technical Documents
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