C30 Ch 139684-- 31269 373 C30 Ch -139683- 30793 925 + Application1 C30 30660 684 + Cleaning agent C30 9192 678 + Activator2 C30 8637 076 + Hole punching tool3 C30 9997 234 Using the switch below it is easy to switch off the system with a single push of a button, this is ideal as a system can sometimes produce "false" signals as a reaction to external light sources with the same frequency as the system sensors.