Chandlery April 2010 Issue

Trailer Helper

The concept behind Quality Mark Inc.ís Launch Alert is simple: A 12-volt DC wireless receiver/alarm plugs into a cigarette lighter outlet in the towing vehicle, and a waterproof, battery-operated transmitter/sensor mounts on the trailer. To install, you attach the transmitter (using a very sticky peel-and-stick backing) to the trailer frame so that its sensors are at your desired "waterline." When the contacts are immersed, the receiver in the vehicle beeps loudly.

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