Model Mini-AGTBM Audio guide device with GPS antenna for tour buses and trains. Routes are easily configurable with Google Earth. Multiple routes can be updated via a USB port. GPS signal provides high accuracy. 2 GB internal memory. Stereo audio output is adjustable up to 15 Watts RMS. Metal case with wings, panel and black keypad designed for heavy usage. Input voltage ranges from 10 to 32 volts. Dimensions: 125x75x25mm. Weight: 392 grams. Includes GPS antenna, cables and management software. Ready to use. 24 month guarantee.