Tenmars TM-901N LAN Cable Tester Backlit LCD Screen Displays  TM-901N LAN Cable Tester     - Detects opens, shorts, miswires and split pairs on the twisted pair cabling on the LAN cable.  - Measures length.   - Auto backlit.  - Auto power off.       APPLICATION           The backlit LCD screen displays graph wire-map, opens, shorts, miswires, split pairs and the remote ID number all on one screen. Using multiple remote ID up to 8 locators to test on RJ-45 (UTP, STP) LAN cable           SPECIFICATION                  Model:     TM-901N     TM-902 (for OEM olny)           Connector type     RJ-45           Cable category     LAN cable (UTP, STP),cable.           Wire-map test     Detects opens, shorts, miswires, split pairs           Length test     up to 255 M (836 ft)           Length resolution     0.1 m (ft)           Length units     Meter and Foot           Accuracy     +/- 10% + 1.0M (3 ft)           Operating temp. and RH     5 to 40 ºC, below 80% RH.           Storage temp. and RH     -10 to 60ºC, below 70%.           Power     9V batteryx1     1.5V battery x 6           Dimensions (L x W x H)     130 x 56 x 38mm.     156 x 73 x 35mm           Weight     About 160g     About 170g                             Accessories     User’s manual, battery, Carrying case, Test Cable x1, Remote ID (1) x1