Infrared Gun Wireless Thermometer, -76 to 1022°F (-60 to 550°C), 7/8"W x 1"H (2.2 x 2.5cm) display, non-contact surface temperatures, shatterproof, memory, 1-second response, maximum, minimum, difference and average with lock for continuous scanning, laser target illumination, distance: spot = 12:1, ± 4°F (2°C) or 2% of reading accuracy, backlit, data-hold, one-button operation, requires (2) AAA batteries (included), battery status indication, auto-off, ABS plastic