For sale: Local network cable tester for telephone with RJ45 RJ11 cable from Duracell DK-806 - Blue Brand: Duracell Model Number: DK-806 Color: Blue Compatible Connectors: RJ-45, Cable provided with RJ-11 connector Maximum Signal Voltage: 8Vp-p LED Display: Displays wire map Voltage Protection System: AC 60V / DC 24V Battery Type: 9V DC battery