Lexar's SD cards are designed for use in a variety of media: digital cameras, MP3 players, PDAs, cellular phones and camcorders. The erasure-prevention switch means that your data can't be accidentally deleted or copied over. With Lexar's SD cards, peace of mind goes a long way. Reliability and durability are critical to ensure your data is there when you need it. All Lexar Media SD Cards are tested and manufactured to the highest quality standard to assure you there is no need to worry about lost or missing data. With the small size and solid-state design of the SD Cards, they are perfect for mobile applications and users. Lexar Limited Lifetime Warranty is included.