SONOFF Sensor SI7021 AM2301 Temperature Humidity Sensor DS18B20 Sensor With 5M Extension Cable AL560 For Sonoff TH10/TH16 With the latest eWeLink app, users can create a series of simple conditional statement (Smart Scene) to trigger on/off other smart devices. This means users can use Sonoff TH10 or Sonoff TH16 with AM2301, DS18B20 or DHT11 sensor to collect temperature/humidity data, which can be used to as a condition to trigger on/off other devices, such as Sonoff, Sonoff RF, Sonoff SV, S20 smart socket . This device works perfectly with electric fan, air conditioner, humidifier, smart fish tank, watering system, etc.Note: Sensor-AM2301 And Si7021 is the Temperature and Humidity Sensor , No Waterproof.Sensor-DS18B20 is the Temperature Sensor , Waterproof .AL560 is a sensor extension cable can connect the SONOFF temperature and humidity sensors to extend your devices to distance of 60m, suitable for SONOFF DS18B20, Si7021 and AM2301. Specification: Si7021:Temperature Measuring Range: –10 ~ 85°CHumidity Measuring Range: 0 ~ 100%RHStorage Temp.: –65 ~ 150°COperating Voltage: 2.2 – 3.6VWeight: 26gLength: 0.5mDS18B20:Type: Waterproof temperature sensorProbe: Stainless steel temperature probeTemperature Measuring Range: -55 ~ 125Power Supply: 3.0-5.5VWeight: 26gLength: 100cmAM2301:Power Supply: 3.3 – 5.2V DC (5V recommended)Temp. Measuring Range: -40 ~ 80Humidity Measuring Range: 0 ~ 99.9%RHTemp. Sensor Type: ResistiveHumidity Sensor Type: CapacitiveWeight: 22gLength: 50cmAL560:Insulation resistance: Min. 500mΩConductor resistance: Max. 5ΩCertification: RoHSExtendable length: Max. 60m