Feature 1[Waterproof] The shell is waterproof, and can convert any standard 485 signal into a radio signal transmission, so you can use it with confidence. 2[Support 2 Channel Communication] Temperature humidity sensor support 2 channel simultaneous communication, two different communication rates can be set to ensure short distance high speed communication, and long distance reliable communication. 3[Encryption Technology] Wireless temperature humidity sensor adopt unique encryption technology to ensure that it is not monitored, to ensure reliable control, to meet your various need. 4[Real Time Monitoring] Temperature humidity sensor transmitter can monitor its own power, signal and real time data in real time, and upload it through wireless communication. 5[Widely Application] The data is uploaded every 5 minutes, can be used continuously for 3 years, with stable performance, and is widely used in agriculture and gardens.Item Type: Temperature Humidity Sensor TransmitterMaterial: ABSProduct Size: Approx. 11.5 x 13.5 x 4 cm / 4.5 x 5.3 x 1.6 inBattery: 3.6V lithium battery 19000mah (Battery Included)Transmitter Circuit Working Temperature: -40~+60, 0%RH~80%RHProbe Working Humidity: 0~100%RHLong Term Stable Humidity: 1%RH/yTemperature: 0.1/yearResponse Time: ProbeCodeOther Humidity: 8s (1m/s wind speed)Output Signal: Wireless signalApplication: Smart agriculture, gardenWeight: Approx. 281g / 9.9oz .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Temperature Humidity Transmitter1 x Antenna4 x Accessories1 x Matching Battery1 xEnglish Manual