Electronics International provides the budget-conscious pilot the option to monitor their Exhaust Gas Temperature with the same precision found in the most advanced analyzers on the market, while not breaking the bank. The E-1 provides pilots with EGT readings in a stable one-degree digital format. The large, crisp LCD is viewable in direct sunlight, and is backlit, making it easy to monitor your EGT. STC'd, TSO'd, PMA'd