Usage Tips:Features:Power supply: DC7-12V/500mA, brand andCW decoder with 1601 LCD display, accurate and intuitive reading, more convenient.The morse code reader is made of high-quality materials, precision printed circuit board, excellent performance and complete functions.It is suitable for electronic enthusiasts and various DIY projects, which can meet different needs.Easy to use. it is only suitable for a computer to for play CW information to decode. Specifications:Size: approx 105X50X25mm/4.13X1.97X0.95inMaterial: MetalPower supply: for DC 7-12V/500mA, for DC Power Plug 5.52.1mmInclude 1601 LCDWeight:65g Note:Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand.Please allow 0-1cm error due to the manual measurment. Package includes:1 x Ham Radio Essential CW Decoder Morse Code Reader Translator