Alternative door lock with automatic and manual locking. With an 8 mm square, retrofitting for interior doors is possible. Available in different versions A and B depending on the closing direction. Permanent open function. Can always be opened from the inside. Integrated handle return spring. Suitable for various doors. Since no separate wiring is required, retrofitting on already installed doors is possible. Power supply is provided by two 3V batteries. One battery charge is sufficient for approximately 100,000 locking cycles. The product supports door leaf thicknesses from 35 to 80 mm. Please note: The Code Handle is not a certified security product, and therefore no tests or minimum cycle counts are specified. Only the battery life of about 30,000 cycles is guaranteed. The Code Handle is intended for indoor use only according to IP40. It is not suitable for high-traffic areas.