STD intelligent, and remote control berth lock is easy to operate with a high stablity and security . 1.Coding control system, employing advanced auto code-checking technology , is easy to manipulate with a high practicability. 2.its main body is made of highly strengthened steel with a long durability. reflective exterior makes it easily located. 3.It has a high security with a bump protection system, dislocation auto correcting system upon barricading ,and manually-operated system for an emergency use. 4.It is applicable to vehicle berth control for indoor and outdoor parking lot of hotels, restaraunt, office buildings and residential neighborhood etc. 5.it can effectively stop berth from seizing, or mistakenly occupying.