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# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Hardwired System | 有线系统

Every component of the intruder system is physically wired.

Heat detectors can determine changes in temperature in your house or building. Heat Detectors can be a standalone fire alarm safety system or can work in conjunction with other safety security systems.

Heavy Duty Design | 高耐度设计

Manufactured with heavy duty materials to ensure that it is robust and secure. Thick plastics, along with stabilising agents ensures that it is not only protected from the elements, but also from damage from UV rays.

High Water Level Sensor | 高水位探测器

For detection of damage caused by water/flooding, consisting of a basic device and a water detector (always mount sensors at a position at which damage caused by flooding would occur first).

High Mount | 高处安装

A sensor that can be installed at higher than the average sensor's mounting height (usually approx 1.8-2.4m).

Hold-Up Alarm | 挟持报警

A system that reports the presence of one or more persons trying to force an individual to enter, or reenter, a facility against the individual's will.

Home | 在家撤防

The act of turning your security system off, so that the control panel will no longer alarm when sensors are triggered.

Home Automation | 家庭自动化

The inter-operation of devices and subsystems in the home (based on events, schedules, user actions) to increase the safety, convenience, or comfort of the home.

Hybrid System | 混合系统

An installation that comprises of both wired and wireless components.

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