yes u can take it out very easy but you will have the outside sounder screaming for a long while ,and with this bit of tat if you dont have the code the thing has to be sent back to the manufactuers --remove the fuse from the spur unit then open the panel and remove the lead red or black to the battery off will go the bell box and you wont be able to stop it
gts, October 2017
If one could disable it without a code, don't you think that would be rather - - - - insecure?