Check the listing for details. HobbyStar HT-101 Infrared Pocket Thermometer. Condition: New. Listed at 23.99 USD. Monitoring the temperature of your electronics is one of the most critical steps of setting up any system and the key to long-lasting electronics and you can eliminate the guessing with the HT-101 Infrared Thermometer from Hobbystar. Ultra-compact design lets you slip it in your pocket and have it handy for quick, precise temperature readings of motors. ESC's, servos etc. They even throw in an extra set of batteries! Features: Selectable between C and F Data hold Low-battery indication Auto-power off Compact design with built-in clip Specifications: Temp Range: -50C~260C / -58F~500F Temp Accuracy: +/- 2% Emissivity: 0.95 Distance to Spot ratio: 1:1 Response time and Wavelength: 500ms & (8-14)um Power: 2x 1.5V LR44 button battery Dimensions: 18x90mm Weight: 20g