ekoo BioKing series is the highest level and the only external use standalone door lock series. 5 latches include shooting bolt, deadlock and night latch, give highest security for end user. Solid material and weather proofed function, resist to rain, snow, sunlight, wind and dust, ensure long-term use life.Audit trail funtion at the back of lock, record detail of entrance and exit information.  Each product is special designed, choose from wide range of colours and the futuristic style. It is truely the King of lock!!!