ModelZB Bridge-Pro Supports adding up to 128 sub-devicesSmart Home SecurityLocal Smart SceneWi-Fi & Zigbee Dual-protocol SupportStrong Connectivity, Limitless Possibility NOTE: ZB Bridge-P can connect 26 sub-devices directly (10 end devices 16 routers, or 26 routers). If you want to connect to 128 sub-devices, routers are required, and one router-device can expand to connect 20-32 sub-devices. SONOFF Zigbee Bridge Pro can work with the devices below:Router: ZBMINI smart switch,S40 Lite ZB smart plug, S31 Lite ZB smart plug, S26R2ZB smart plugEnd Device: SNZB-01 switch, SNZB-02 Temp. and Hum. sensor, SNZB-03 motion sensor, SNZB-04 door/window sensor ModelSNZB-01P Custom Button ActionZigbee 3.0 CompatibleTrigger Alexa RoutinesEmergency Button 5 Years Battery LifePowered by a CR2477 battery. ModelSNZB-02P High Accuracy & Fast Refreshthe temperature is accurate up to ±0.2°C/±0.4°F while the humidity is ±2%RH, data are updated every 5 seconds Zigbee 3.0 CompatibleComfort AlertData Storage & Export 4 Years Battery LifeCR2477 battery. ModelSNZB-03P 5-Sec Faster Detection3-Year Battery LifeZigbee 3.0 CompatibleLocal Smart SceneHome Security ModelSNZB-04P Monitoring Doors & WindowsTamper Alert5-Year Battery LifeZigbee 3.0 CompatibleLocal Smart Scene ModelSNZB-05P Leaking & Dripping DetectionExtended Detection SupportReal-time Alerts & Multiple NotificationsZigbee 3.0 Compatible5-Year Battery LifeSupport Home AssistantZHA or Zigbee2MQTT( Zigbee Dongle is required, e.g. SONOFF ZBDongle-P/ ZBDongle-E). ModelSNZB-06P Presence DetectionLight SensingZigbee 3.0 CompatibleLocal Smart SceneSupport Multiple Platforms ModelSNZB-02D Remote Real-time monitoringHigh Accuracy & 5s Fast RefreshLarge LCD screen displayApp notificationsData Storage & Export ModelTRVZB Smart ControlOpen Window DetectionZigbee 3.0 Standard CompatibleCompatible with Most Heating ManufacturersComplete FunctionalNote : Thermostatic Radiator Valve needs to be used with Zigbee Hub. Please note that SONOFF Zigbee Thermostratic Radiator Valve doesn’t support SONOFF ZBbridge. ModelZBMINI-L2 Super Tiny SizeSupport External SwitchSimple and ReliableApplication ScenesNote 2 : ZBMINIL2 is a Zigbee End-Device. Note 2 : ZBMINIL2 is a Zigbee End-Device. ModelZBMINI-R2 Compact SizeExternal Switch ControlExpansive Zigbee Signal Coverage Detach Relay ModeCompatible with Multiple Zigbee HubNeutral Wire Required Note: all devices is the zigbee hub required!