The JVC Mini DV ME63 Digital Video Cassettes ProHD and Professional DV use the highest quality Metal Evaporated (ME) tape and are designed for use in high quality JVC HDV and other brands of high quality DV Camcorders. The JVC DVM63 or ME63 is the highest quality Mini DV tapes made by JVC with improved electrical properties and lower error rates, they will produce excellent results. The DLC (Diamond Like Carbon) layer and special lubricant ensures excellent storage stability and durability, even after repeated use. The anti-static lid is designed to repel dust which can cause degredation of the tape and heads. The JVC M-DV63PROHD cassette tape is 73m long and can be used in any HDV, Camcorder, Handycam, or Video Recorder bearing the Mini DV or MiniDV logo. JVC is the brand of the Victor Company of Japan or Japan Victor Company. HDV was developed by Canon, Sharp, Sony and JVC for HD 1080 definition and quality. 

• Optimum Recording Current (dB) are all higher (0.5) than standard JVC Mini DV tapes (0) 
• Output Level (Data Signal) (dB) are all higher (1.2) than standard JVC Mini DV tapes (0.5) 
• Output Level (Tracking Signal) (dB) are all higher (0.7) than standard JVC Mini DV tapes (0) 
• Carrier to Noise Level (21MHz) (dB) are all higher (0.7) than standard JVC Mini DV tapes (0.5) 
• Carrier to Noise Level (10.5MHz) (dB) are all higher (0.7) than standard JVC Mini DV tapes (0.5)