AmazonPower Supply: USB Port , no need extra Power Supply Voltage: USB Port Provide 5V@1mA Port Type: Standard USD-A which is compatible with PC Output Signal: Meet the international Hart Proto cal ;Working Environment -25C~85C , 0%~95%RH TXD: Signal Sending ; RXD: Signal Receiving
Power Supply: USB Port , no need extra Power Supply Voltage: USB Port Provide 5V@1mA Port Type: Standard USD-A which is compatible with PC Output Signal: Meet the international Hart Proto cal ;Working Environment -25C~85C , 0%~95%RH TXD: Signal Sending ; RXD: Signal Receiving