LNDU specializes in smart home security ecosystems, offering innovative products like smart door locks, dual-cam video doorbells, and outdoor security cameras.
LNDU is a high-tech enterprise dedicated to the research and development of smart security solutions for modern homes. Their extensive product lineup includes advanced smart door locks with biometric access, high-definition video doorbells, and innovative smart bird feeders equipped with AI cameras.
Focused on core technologies such as low power consumption and dark-light night vision, LNDU creates an integrated smart home ecosystem. Through their intuitive mobile application, users can easily monitor their properties, manage access credentials, and receive real-time alerts from anywhere in the world.
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Press and hold the Reset button on the interior assembly for 5 seconds, then verify the primary administrator key on the front panel to restore factory settings.
Remove the doorbell and charge it using a USB-C cable. The red light will stay on while charging, and all lights will turn off when fully charged.
Download the LNDU App, select 'Add Device', choose your lock model, and follow the on-screen instructions to enter your 2.4GHz Wi-Fi credentials. Note that 5GHz networks are not supported.
If the lock is unresponsive, the batteries might be completely depleted. You can connect a power bank to the external emergency power port (Type-C interface) on the outside panel to temporarily supply power and unlock the door.