Tacktick T111 Dual Digital Display. The Dual Digital Display shows two lines of data simultaneously. It can be configured at any time to display any information provided by your transmitters. Key Features: No wiring - receives data via wireless. Solar Powered with 300 hours autonomy. Displays 2 lines of data simultaneously. Large 20mm (0.8") digital readout. Simple to configure. Backlighting to 3 levels. Totally waterproof (submersible to 10m). Lightweight, only 230g (0.51lbs). Compatible with other manufacturers via NMEA.