Smart Biometric Door Lock 2024 Model - Black RightVD206 Universal Lock Body Technical Overview Lock Body Variants The VD206 Universal Lock Body is available in two primary configurations to suit various security needs: Single Tongue Configuration: Equipped with an automatic oblique latch. Does not include a square tongue; suitable for standard locking applications without lift or reverse lock requirements. Double Tongue Configuration: Features both an automatic oblique latch and a square tongue,