SL03-T420H is a ZigBee digital lever mortise lock specially designed for the apartment scenarios. In this new  generation of smart lock products, ZKTeco’s T4 smart lock series bring a modern and distinctive family-style industry design, combining an aluminum alloy housing and a 2.5D tempered glass panel. To ensure robust physical security, the standard mortise lock is designed with an anti-card auxiliary latch and  a deadbolt. Users can easily lift the handle to lock the door from inside or outside. Additionally, the door lock is equipped with a built-in detector, enabling the tamper-alarm function for enhanced protection. Powered by the reliable Zigbee technology, the door lock can be remotely controlled and monitored in  real time, significantly improving management and maintenance efficiency. More importantly, the Zigbee  technology shows a better performance in terms of low power consumption, stable network connectivity and cyber security. SL03-T420H will be an ideal choice for apartments, dormitories and short-term rentals, offering a more  reliable, secure and convenient lifestyle.