Knight Security Grade 2 Surface Contacts. Knight security provide an extensive range of grade 2 surface contacts in white or brown plastic and aluminium, some models have built in resistor selection for simple FSL installation.
Honeywell Viper GLX Inertia Sensor Range. Designed for installation on widow frames, door frames and walls to detect intruder attacks, unique double knock design with extreme shock override, fully adjustable, available with reed contact and magnet to monitor door/window opened. Available in white or brown. Available with and without magnetic contact
Knight Security Grade 2 Heavy Duty Surface Contacts. Knight security provide an extensive range of grade 2 heavy duty surface contacts, some models have built in resistor selection for simple FSL installation.
