Smart external door lock controlled from both sides with 5 opening methods model YH-C20-D

Brief Description: The YHC20 D design is a smart practical solution for doors, combining ease of use and high security, supporting multiple opening methods with smart management via the app. It is also compatible with various door thicknesses, making it suitable for courtyards, offices, and homes. Key Features: Dual-sided design allows control from inside and outside. Compatible with door thicknesses of 38–70 mm. Supports opening via fingerprint, PIN, card, mechanical key, and app. Durable aluminum alloy structure resistant to scratches and corrosion. Supports cloud storage and memory card for saving logs and data. Low power consumption with stable performance and good battery life. Micro USB port for emergency power if the battery runs out. Bluetooth connection integrated with TTlock for managing users, permissions, and logs. Built-in control panel combining fingerprint reader and keypad. Technical Specifications: Model: YHC20 D Opening methods: fingerprint / PIN / card / mechanical key / TTlock app Connection: Bluetooth Fingerprint capacity: 100 Password capacity: 100 sets Operating voltage: 4.5V–6.5V Standby current: <55μA Material: Aluminum Alloy Storage: cloud / memory card Emergency power: Micro USB Suitable door thickness: 38–70 mm