Features

·  Bluetooth communication function, as a slave device, it can transmit data with a mobile phone carrying a Bluetooth module

·  Wireless data downlink transmission function, which sends the commands issued by the Android APP to the meter-end module wirelessly

·  Wireless data uplink transmission function, receive wireless data sent by the meter-end module, and forward the data to the Android APP through Bluetooth communication

·  Automatic power saving function, RHU automatically shuts down if there is no uplink and downlink data for communication within 10 minutes

·  Low battery automatic protection function, when the RHU battery is too low, it will automatically shut down and cannot be turned on again, it needs to be charged at this time

·  The built-in rechargeable lithium battery supports long-term work, and when fully charged, it can last for more than 8 hours of wireless data communication transmission

·  A variety of status indicators, equipped with indicators of different colors, clearly indicate various states of RHU work

·  Equipped with 10 cm external helical antenna

·  Dimensions: 97×45×23mm