Hi I bought 2 7mw 650nm programable Red Lasers for $20 from Spooky2 .com. With their 5 MHZ signal generator $114 and my PC using their free software I can program any frequency up to 20 MHz into the lasers. I can imprint water, crystals or myself with these frequencies total cost $134 + shipping from China. Spooky also sells a wrist band with 5 650nm red lasers used with their signal generator and your PC for $28. Spooky2 software includes 36,580 free programs that can be used. Spooky2 states that their software is free to all humanity. If you want to update to 635 nm red lasers tell Spooky2 support and they might just do it. Brickey
