A padlock according to an exemplary aspect of the present invention incorporates an improved false gate mechanism which provides nine false gates and one true gate. The padlock may contain a rotatory turning knob to operate the padlock to an unlocked mode. The rotary turning knob further increases the difficulty of decoding and picking the padlock, because the unauthorized user must use turning torque to pick the true gate of the padlock. The padlock may also include a reset plate which when the padlock to be in the unlocked mode, the reset plate may be slid to allow the padlock into a reset mode in which the correct code combination of the padlock may be reset and/or reconfigured.

The present disclosure generally relates to an electronic lock and a method and system for controlling an electronic lock. Particularly, it relates to a waterproof electronic lock including a lock body and a shackle for latching and unlatching relative to the lock body. The lock body comprises a front cover and a rear cover that is removably detachable from the front cover to form a hollow cavity within; and a central frame disposed within the hollow cavity, the central frame having a recess and a circumferential groove around the recess. The waterproof electronic lock comprises an input interface frame having a top surface and a bottom surface, the input interface frame including a first circumferential projection on the bottom surface that corresponds to fit the circumferential groove.