Storage Function other parameter Receiving distance (max. ) Model of configurable sensors Overall dimension (mm) usb rs-485 Network Flash storage Background storage Alarm setting D Product features: 1. Receive data from 100 wireless temperature sensors simultaneously 2. Access software in a variety of ways to manage monitoring easily. 3. Expand mass storage to save historical data, read data through usb. 4. Have data interface to access other instruments conveniently. Remark: (standard); (optional); (null) No. Model basic parameter Communication interface Storage Function other parameter Receiving distance (max. ) Model of configurable sensors Overall dimension Flash storage Background storage Alarm setting Data display Data forwarding Alarm Power supply Frequency Display screen Machine Software 1 at-ii-x100c01 800m at-ii-c3/c6/c7/tc/tr 180*100*40 Sound and light; on-off alarm node ac: 85v~264v; dc: 110v~370v; 220v± 10%50hz 433mhz~470mhz 3lcd 3" lcd 2 at-ii-x100c02 800m at-ii-c3/c6/c7/tc/tr 200*135*31 3 at-ii-x100d01 800m at-ii-d6 180*100*40 4 at-ii-x100d02 800m at-ii-d6 200*135*31 At-ii-x256 series Product features: 1. Receive data from 256 wireless temperature sensors simultaneously. 2. Access software in a variety of ways to manage monitoring easily. 3. Expand mass storage to save historical data, read data through usb. 4. Have data interface to access other instruments conveniently. 5. Analysis functions for native data. No. Model Basic parameter Communication interface Storage Function other parameter Receiving distance (max. ) Model of configurable sensors Overall dimension (mm) usb rs-485 network Flash storage Background storage Alarm setting Data display Data forwarding Data analysis with curve Alarm Power supply Frequency Display screen Export standard packing: carton box or wooden case