The Extech i5 Handheld Thermal Camera is a high-quality infrared imaging device with a temperature range of -4 to 482°F, making it ideal for various applications in business and industry. With a display resolution of 320 x 240 and an IR sensor resolution of 100 x 100, this handheld thermal camera provides clear and detailed thermal images. The 30:1 distance to spot ratio and 21° x 21° field of view offer precise and accurate readings for professional inspections and measurements. The compact and portable design, along with its reliable performance, make it a valuable tool for professionals in the field.