Check the listing for details. Renogy BT-2 Bluetooth Module RJ45 Communication Port Wirelessly Monitor. Condition: New. Listed at 29.99 USD. Bluetooth 4.2 and BLE Technology Provides Fast and Uninterrupted CommunicationRenogy BT-2 Bluetooth ModuleThe Renogy BT-2 is a new generation of Bluetooth module for Renogy solar charge controllers, smart lithium batteries, and inverter chargers. Powered by its RJ45 communication port, the BT-2 provides wireless monitoring of the system data and allows users to change parameters through the Renogy DC Home smartphone App.SpecificationCommunication Range : ≤82ft (25m)Cable Length : 16.4 ft (5.00m )Dimensions : 2.65 X 1.38 X 0.55 in (67.3 X 35 X 14 mm)Weight : 4.58oz (130g )Operation Temperature : -4°F to 185°F (-20℃~85℃)Communication Protocol : RS485Port Type : RJ45FCC Class B Part 15 Compliant YesPrecise Control Your DevicesWirelessly monitor and adjust compatible Renogy RS485 communication port devices. Fully control the solar power generation, energy storage, and inverters' real-time operation data.Real-time InsightGet real-time and historical data via Bluetooth Module and Renogy DC Home App. Bluetooth 4.2 and BLE technology provides fast and uninterrupted communication.Renogy Power Plus CommunityFor immersive and active learning, Renogy DC Home App includes Renogy Community and Learning Center, a resource of easy-to-follow tutorial videos and answers to frequently asked questions so that you can become experienced solar DIY experts.Renogy DC home APPBluetooth 4.2 and BLE Technology Provides Fast and Uninterrupted CommunicationRenogy BT-2 Bluetooth ModuleThe Renogy BT-2 is a new generation of Bluetooth module for Renogy solar charge controllers, smart lithium batteries, and inverter chargers. Powered by its RJ45 communication port, the BT-2 provides wireless monitoring of the system data and allows users to change parameters through the Renogy DC Home smartphone App.SpecificationCommunication Range : ≤82ft (25m)Cable Length : 16.4 ft (5.00m )Dimensions : 2.65 X 1.38 X 0.55 in (67.3 X 35 X 14 mm)Weight : 4.58oz (130g )Operation Temperature : -4°F to 185°F (-20℃~85℃)Communication Protocol : RS485Port Type : RJ45FCC Class B Part 15 Compliant YesPrecise Control Your DevicesWirelessly monitor and adjust compatible Renogy RS485 communication port devices. Fully control the solar power generation, energy storage, and inverters' real-time operation data.Real-time InsightGet real-time and historical data via Bluetooth Module and Renogy DC Home App. Bluetooth 4.2 and BLE technology provides fast and uninterrupted communication.Renogy Power Plus CommunityFor immersive and active learning, Renogy DC Home App includes Renogy Community and Learning Center, a resource of easy-to-follow tutorial videos and answers to frequently asked questions so that you can become experienced solar DIY experts.Renogy DC home APP