Working current: 8-13MA (related to the number of external DS18B20)MODBUS RTU instruction support 03 06 function codeBy modifying the 485 address, up to 247 modules can be cascaded for use (if more than 16, please use R485 repeaters)Using DS18B20 temperature and humidity sensor, up to 8 DS18B20 temperature sensors can be connected at the same timeThe temperature can be measured from -55Celsius to +125Celsius (-67Fahrenheit to +257Fahrenheit). When the temperature is between -10Celsius and 85Celsius, it has an accuracy of +-0.5Celsius. Product name: 5 x 25mm waterproof probeTotal length: 50CMResistance value: 10KResistance accuracy: +/-1%Resistance B value: 3950+/-1%Wire specification: 2651 26# Parallel wire temperature resistance 105CelsiusPlug model: XH2.54-2PProbe: without mounting holesPower supply voltage: 6-24VWeight: 40 gramscolour:GreenMaterial:abssize:60 x 37 x 14MM Package Contents:1 x Temperature Sensor Only the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.