Experience unmatched convenience and security with the Kaadas RX-D Lever Smart Lock. This innovative lock allows easy retrofitting with existing knobsets and lever handle locks, making it a versatile choice for upgrading your security system. Enjoy the flexibility of wireless remote control and seamless app compatibility. The passage mode, voice guide, and free-wheeling lever handle enhance user experience, making it ideal for condos and offices. With pin code setup, Bluetooth compatibility, and a mechanical key option, the RX-D is a comprehensive solution for modern security needs.