I fly with cx for over 20yrs. I designed many safety devices for travellers and flt.crews .these safety has been our standard issue to protect us for safety reasons.and they works.
Contact induction anti-theft alarm hotel guest room door handle alarm handle human body induction contact alarm
After the lead wire of the human touch induction alarm is hung on the door handle or the door lock, when someone touches the door handle or uses the master key to steal the door lock, the induction alarm will sound the alarm, so as to scare away the thieves or remind the owner to pay attention to the movements of the intruders .
contact us for much more devices latest verion
thomas Chow
manufacturer
ex cx flt instructor