The MirrorTap is constructed of 24 gauge wire with a 2 amp inline fuse and a black braided flexible sleeve</br>This new MTX Series MirrorTap has all four Tap-Size Pairs included unlike any competitors power cord</br>No More coiled cigarette lighter power cords the MirrorTap Power Cord simply slides into your Auto Dimming mirror's wire harness (exposed OR concealed). No cutting or splicing wires</br>Compatible Radar Detectors have RJ-11 jack: Escort Beltronics Valentine One and Uniden</br></br>Product Description</br></br>MirrorTap is Proudly Designed and Manufactured in the USA by J28 Design Inc. makers of BlendMount and MirrorTap product Lines. MirrorTap Fits radar detectors with RJ11 male jack. No More coiled cigarette lighter power cords. The MirrorTap Power Cord simply plugs into any wire harness close to your AUTO DIMMING MIRROR whether it be exposed on the rear face of the mirror or concealed above the mirror. No cutting or splicing wires and No messing with the Air Bags inside your A-pillar as is done with regular hardwire installations to the fuse box under the Dash. Step by Step Guidelines on Using a Voltmeter to Locate Power and Ground: (#1) First set your voltmeter to the continuity setting (should beep when you touch the red and black probes together?? telling you they are shorted) (#2) Find a ground on the car somewhere?? like a bolt under the dash