Inserted male tips are particularly well maintained and remain in place after hundreds of kilometers, so do not be afraid to untimely disconnections, making discharge at very high speed devices operating without one noticing . Well designed, good perceived quality, function cigar lighter is still available on a socket and service LEDs indicate the level of battery charge. Used on a route of about 2000kms in two days, with significant variations in temperature, vibrations, back of donkeys, etc .... and go 1 940.1 ALERTEGPS G520, reset a motorola V3 R; permanently connected; no problem, no disconnection, and this was far from the case with those of other brands tested previously. the only problem is finding it or tinker firm support adapted to the desired location, not too far from the original decision because of the spring-like wire