Is there any way I can install the NinjaLock onto my door other than the double-sided tape? カスタマーセンター October 25, 2017 08:16 Updated Follow We also provide an additional magnet part. *It can not be used on wooden doors. Related articles Do you offer installation services? If I have a smartphone, can I operate the NinjaLock remotely? Where can I download the application? Can I use manganese batteries? Comments 0 comments Please sign in to leave a comment.