About LTM9950D for a liquid crystal display with temperature and humidity sensors Ethernet interface, while also monitoring the two-way switch input signals. With the popularity of the network, LTM9950D can easily point to measure temperature, humidity, and the amount of data transmitted live on the network switch, you can set up a variety of different sizes of field monitoring applications. Two technical indicators. Temperature measuring range: -25 ℃ - + 60 ℃ 2. Temperature measurement resolution: 0.0625 ℃ (LCD Display Resolution: 0.1 ℃) 3. Temperature measurement accuracy: ± 0.5 ℃ (25 ℃ typ), ± 1.5 ℃ (-10 ℃ - + 60 ℃) 4. Humidity measuring range: 0% --99% (non-condensing) 5. Humidity measurement resolution: 0.1% RH (LCD Display Resolution: 0.1% RH) 6. Humidity measurement accuracy: ± 3% RH (typ) 7. Switch channels: two independent inputs 8 opto-isolated. Switch Operating voltage: 9-18VDC input when: ON; when no voltage is: OFF; 9. Network Interface: RJ45, 10 / 100M automatic identification 10. Supported protocols: ARP, UDP, TCP, SNMP, Telnet, DHCP, AutoIP 11. TCP / UDP Port: 10050 (default) 12. SNMP port: 16113. Power supply: +6 - 36V DC, 300mA or more (recommended voltage 9 12 VDC?) 14. Dimensions: 98 X 85 X 45 (mm)