When you find mechanical locks too difficult and always forget the combination of your keyboard code lock, then this kit is the ideal solution.
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An additional advantage consists in the possibility of remote control of the "lock". Can be used for all sorts of applications like switching your car alarm or central car-door locking on and off, securing buildings or houses, opening garage doors, etc... You can determine the code of the system (60000 combinations) yourself. Hence it is possible to combine several transmitters with one receceiver or vice verca.