X4-Life door and window contact for security DIY alarm system home security

X4-Life door and window contact for Security DIY alarm system home security This door and window alarm is designed to secure doors and windows. When the two components are more than 1 cm apart, an alarm is triggered. Due to the tolerance of about 1 cm, you can also secure windows and doors when the frame is slightly misaligned. Doors and door frames are often not flush, which is not a problem. Proper use also includes compliance with all information in this operating manual. Security DIY alarm system - extension module door and window alarm. You can optionally add up to 50 additional transmitters (motion detectors, door and window alarms, remote controls or doorbells/emergency alarms), which are available separately. Values such as the time delay until the alarm sounds can also be conveniently...