Wentronic CAT Network Tester for RJ11 / 12/45 1 piece White - Beige / Black (Accessory)
crossing detection must be taken to reverse or leds to see cut, no cables RJ 45 or RJ 11-12 provided provide two RJ45 cables and two 25 cm cables RJ 11-12 25 CM pou be fully operational, value price / quality, a cover is provided.