WTH300 - BLE Temperature and Humidity Sensor

 Description: The WTH300 is used to monitor temperature and humidity. It can be utilized in cold chain logistics, asset monitoring, and other environmental management applications. It works perfectly with Queclink BLE trackers to collect environmental data.  Specifications: Dimensions 2.78’’(L)×1.50’’(W)×0.70’’(H)(70.6×38×17.8mm) Weight 1.52oz (43g) Operating Voltage 2.7V~3.3V DC Operating Temperature -40℃ ~ +70℃ Battery Two FR03 Li-Fe Batteries, 1250mAH Standby Time Over 3 Years Waterproof IP66 Transmission Distance Max 100m (open area) Carrier Frequency 2.4 GHz, supports BLE 4.2 protocol Temperature Measure Range: -40℃~+70℃Accuracy: 10℃~50℃, error: ±0.5℃Accuracy: ≤10℃ or ≥50℃, error: ±2℃ Humidity Measure Range: 0%RH~100%RHAccuracy: 0%RH~90%RH, error: ±2.5%RHAccuracy: ≥90%RH, error: ±3.5%RH Sampling Period Once per second LED Indicator Indicates pairing, on/off status or low battery Transmission Mode Periodic data broadcast (100ms to 10s)