Power:Electronic Usage:Auto Testing Machine Product name:4-in-1 Remote RJ11 RJ45 USB BNC LAN Network Cable Tester Power supply:1* 9 V 6F22 DC Alkaery Color:Grey Size:162 *85 * 25mm Weight:164g Test 4 types of cables:RJ-45, RJ-11, USB and BNC. Application:Network Cable Warranty:1 year Certificate:CE Material:ABS ****yaroslav.revenko