["brand new and high quality\r\n\r\nFeatures:\r\nProduct adopts industrial-grade chip, high-precision SHT20 temperature and humidity sensors, ensure the products with good reliability, high precision and interchangeability.\r\nAdopt RS485 hardware interface (with the for for protection design), the protocol layer for standard industrial Modbus Rtu protocol.\r\nThis product integrating MODBUS protocol with ordinary, users can choose communication protocols, common agreement with automatic upload function(Connect the RS485 serial interface mode tool by automatically output temperature and humidity).\r\n\r\nModbus Function Code:\r\n0x03: Read keep register\r\n0x04: Read input register\r\n0x06: Write a single keep register\r\n\r\nSpecification:\r\nWorking voltage: for DC 5-30V\r\nOutput signal: RS485 signal\r\nTemperature measurement range: -40℃ ~ +60℃\r\nHumidity measurement range: 0%RH ~ 80%RH\r\nTemperature measurement accuracy: ±0.5℃\r\nHumidity measurement accuracy: ±3%RH\r\nDimensions: 2.9x4.6x6.5cm/1.14x1.81x2.56inch\r\nColor: White\r\nQuantity: 1 Pc\r\nNote: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\r\n 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\n\r\nPackage includes:\r\n1 x Temperature & Humidity Transmitter"]