hello, I am intrested purchasing these locker. could you please answer the followings: 1. How the system behave if the butteries goes dead? 2. What is the material was use for the lock pin, the lock, lock catch, lock body holder? 3. Do you have an external power supply instead of USB? 4. what would be the price for Show More...
hello, I am intrested purchasing these locker. could you please answer the followings: 1. How the system behave if the butteries goes dead? 2. What is the material was use for the lock pin, the lock, lock catch, lock body holder? 3. Do you have an external power supply instead of USB? 4. what would be the price for sample one piece? 5. Do you accept PayPal? 6. What would be the cost of shipping by China post? Kind Regards David