?This is a non-contact infrared thermometer specifically designed for RC engines£¬ ESC£¬ motors£¬ battery packs£¬ battery chargers and etc. Simply aim the infrared thermometer at the target and press the measurement button to quickly and easily display the surface temperature! <br><img alt="" src="http://www.guphotos.com/images/uploads/RM4562.jpg"> <br><strong>Features:</strong> <br>Celsius and fahrenheit scale selectable <br>High accuracy and high speed infrared sensor <br>1 minute auto-off timer to save battery's life <br>The infrared emissivity frequency can be adjusted <br>Testing a wide range of temperature from -40¡æ(-40¨H) to 380¡æ(716¨H) <br>Low power consumption and powered by 2 * AAA batteries(Battery Excluded) <br>Four modes for temperature records: Quick mode/scan mode/max temperture mode/min temperture mode <br>A large LCD can display battery's capacity£¬ temperature etc. and applied with backlight£¬ which make it easy to operate and read <br><br><strong>Specifications:</strong> <br>Operation Voltage: 2 * 1.5V AAA battery (Battery Excluded) <br>Operation Current£º ¡Ü40ma@2.0V <br>Operation Temperature£º 0-40¡æ <br>Current Drain£º¡Ü25ua@3V <br>Adjustable Range for Infrared Emission Frequency£º 0.01-1 <br><br><strong>Package Information:</strong> <br>Package size: 20 * 12 * 5cm / 8 * 4.7 * 2in <br>Package weight: 110g / 3.9oz <br>Plastic package <br><br><strong>Package List:</strong> <br>1 * SKYRC Infrared Thermometer <br>1 * English Manual