1、After construction and installation, the equipment is durable and has low failure rate. 2、A.ccurate temperature and humidity probe, suitable for various places, sensitive and waterproof 3、The device has a built-in buzzer, and when the temperature and humidity exceed the limit value, it will automatically send out an audible and visual alarm to grasp the change in time 4、Small size, easy to carry and store, convenient to use and with good performance. 5、Can be used with peace of mind, with strict quality control and quality assurance. Item Type: Temperature and Humidity Transmitter Material: ABS Uses: Widely used in 24-hour monitoring of temperature and humidity data in environments such as cold chain logistics, food, biological products, special storage, electronic chemicals, server rooms and scientific research laboratories. DC Power Supply: (default) DC 10-30V Maximum Power Consumption: 0.4W Measurement Accuracy: Temperature ±3%RH (5%RH-95%RH, 25℃); humidity ±0.5℃ (25℃) Probe Working Temperature: -40℃~+80℃ Probe Working Humidity: 0%RH-100%RH Temperature Display Resolution: 0.1℃ Humidity Display Resolution: 0.1%RH Rate Temperature And Humidity Refresh Time: 1s Long-term Stability: Humidity≤%RH/Y; temperature≤0.1℃/Y Response Time: Humidity≤4s (1m/s wind speed); temperature≤15s (1m/s wind speed) Output Signal: RS485 signal Parameter Setting: Set by software Product Size (mm): Approx. 86 x 86 x 26mm / 3.4 x 3.4 x 1in Signal Output Mode: 1. RS-485: 485 signal output 2. Analog: Analog signal output 1 x Transmitter 1 x Probe 1 x Bracket 1 x Screw Pack