Usage/Application Industrial Display Type Digital Model Name/Number AM - 4201 Features FOR INDUSTRIAL USAGE Brand Lutron Country of Origin Made in India Availability In Stock Custom one-chip of micro-processor LSI circuitDisplay * 13 mm(0.5") Super large LCD display.: * Dual function meter's display Measurement in/s (meters per second) km/h (kilometers per hour) if/mm (feet/per minute) knots (nautical miles per hour) mile/h(miles per hour) Temp. -°C, °F. Data hold. Power off' Auto shut oft' saves battery life or manual off by push buttonOperating Temperature 0 0C to 50 0C(32 0 F to 122 0 F). Power Supply 1.5 V AAA (UM-4) battery x 6 PCs. (Alkaline or heavy duty type).Power Current Approx. DC 30 mA.