Introducing our Infrared Frequency Tester, a top-notch instrument designed for easy testing and adjustment of wireless remote control frequencies. Gauge frequency with precision, assess infrared sensing efficiency, and tailor your remote control settings with this versatile device. Features: Premium Material: Crafted from durable solid plastics, this fall-proof and wear-resistant housing ensures long-lasting durability. Digital Display: Featuring a 4-bit digital display, it allows for clear reading of radio frequencies, enhancing your testing accuracy. LED Light Design: Equipped with LED illumination, making usage effortless even in low-light conditions. Indicator Light: The infrared input indicator provides clear feedback, with a red light showing normal infrared output. If the light is off, it may indicate a fault or damage in the infrared emitter. 9V Battery Power Supply: Operating on a large-capacity 9V battery (not included), this tester offers an extended use time. Wide Applications: Versatile in use, it tests and displays remote control frequencies smoothly while enabling easy adjustments. Specifications: Name: Infrared Frequency Tester Material: Plastics Battery: 1 x 9V built-in battery (not included) Test Range: 100M-1GHZ Working Conditions: -10℃ to 40℃ Relative Humidity: Less than 80% Storage Conditions: -20℃ to 50℃ Relative Humidity: Less than 85% Item Size: 150 x 75 x 30mm / 5.91 x 2.95 x 1.18in Item Weight: 205g / 7.23oz Package Size: 160 x 100 x 50mm / 6.30 x 3.94 x 1.97in Package Weight: 215g / 7.58oz Packing List: 1 x Infrared Frequency Tester 1 x Manual