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3 Photoelectric Detectors7. 3. 1
Market Estimates and Forecast, 2018–20237. 3. 2 Market Estimates and Forecast by Region, 2018–20237. 4 Dual
Sensor Detectors CO and CO27. 4. 1 Market Estimates and Forecast, 2018–20237. 4. 2 Market Estimates and Forecast by Region, 2018–20237. 5 Aspirating Smoke Detector ASD7.
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The alarm panel will communicate with the ARC in the event of alarm activation. The ARC will then notify either the appropriate key holders for the property or the police, depending on the arrangement and other factors. An
annual fee is charged for alarm monitoring, this is typically paid directly to the alarm company. Home security alarms requiring police response must meet certain standards including installation of a graded alarm system installed to British and European Standards and an annual maintenance contract from an approved alarm company. If the police were called to 2 false alarms in a rolling 12 month period the response will be downgraded to a lower level of police response. If further false activations occur the police response will be revoked. To prevent this eventuality, ARC's are required to receive two alarm events within a certain timeframe to initiate a Police response. Your personal habits can also play a role in home security. The Ill
encourages homeowners to routinely lock doors and windows and arm the alarm system when exiting your home. If you’ll be gone awhile, the III suggests giving the appearance that your home is occupied: Leave blinds in their usual positions, make a plan to defer mail and other deliveries, and use light timers in various areas of the home smart home devices can help with this task. Another tip from the III: Remove house keys when leaving keys with a parking attendant.
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Second, some have noted that, in many of the studies, there may be issues with selection bias since the introduction of CCTV was potentially endogenous to previous crime trends. In particular, the estimated effects may be
biased if CCTV is introduced in response to crime trends. It has been argued that problems of selection bias and endogeneity can be addressed by stronger research designs such as randomized controlled trials and natural experiments. A 2017 review published in Journal of Scandinavian Studies in Criminology and Crime Prevention compiles seven studies that use such research designs. The studies included in the review found that CCTV reduced crime by 24 28% in public
streets and urban subway stations. It also found that CCTV could decrease unruly behaviour in football stadiums and theft in supermarkets/mass merchant stores.