PIN code glass door lock is one of the PIN code lock types from Polymath. door lock system using bluetooth,bluetooth based door lock system,vivint door lock code change,door lock system using bluetooth,best mortise lock brand,Exporter,Suppliers,Manufacturers,Factory,Different from other PIN code smart locks, the PIN code glass door lock is quite mini and to be suitable for glass door. The PIN code glass door locks combine two ways of unlocking: PIN code unlock and app remote unlock. The lock and the mobile is wirelessly connected via Bluetooth. The adhesive installation makes it easy for any people themselves DIY.