The brief introduction of Guarddaily Pickproof Lock: 1,Keep the custom of unlocking a door 2,Use Digital Key, No need to remember the password. 3,Zero rates of mutual opening,anti-technology unlocking 4,The digital keys can't be copied slinkingly 5,The digital key is anti-maganetic,waterproof and shockproof, and has no power itself. 6,Users can make the keys at users' own option 7,You needn't be afraid of losing keys or being copied, since you can set the new key codes,eliminating the lost one. 8,Three conditions of sounding,when: a),Invalid key try to unlock the door b),Forget to pull the key out. c),Low power 9, The user's key has the function as a managing key. 10,The lock has the functin of project key. Notice should be give when giving orders. 11,One key can be set to unlock many doors, more suitable for the pick proof door lock uniform. 12,The digital keys can be regarded as accessories or retailing and can also be reused. 13,The circuit made of SMT, which is steady and reliable. It has spare system, you are sure to unlock the door. 14,Low in power consumption, ordinary battery can last one year. 15,Perfect combination of mechanical and electrical. High destructive resistance 16,The main electrical part of the lock is completely compatible with the core-insert pickproof door lock. 17,Counter measured outdoor. 18,No spare mechanical port. 19,Module structure. Easy installation and maintance.