SONOFF Zigbee Bridge Pro newly added features like smart home security, local smart scene, and easy arm and disarm. You can customize 3 modes by setting different arming devices. The local smart scene always works well even Wi-Fi is disconnected. Built-in high-precision local RTC, a short power outage will not affect the time synchronization. Time schedule can return work once power restoration. Note that the local scene is for Zigbee devices only, Key features: 【Supports adding up to 128 sub-devices】Zigbee Bridge Pro supports adding sub-devices increased from 32 to 128. 【Smart Home Security】Set up home security modes, such as home mode, away mode, and sleep mode. The bridge can be used as a local alarm. 【Local Smart Scene】Timing and scene linkage between Zigbee devices can be executed normally even if the network is disconnected. 【Wi-Fi & Zigbee Dual-protocol Support】Make communication between Zigbee devices and WiFi devices. 【Strong Connectivity, Limitless Possibility 】The Bridge supports to add ZigBee devices that SONOFF has released, like ZBMINI-L smart switch and S26R2ZB smart plug, making your home smarter.