Notice: Santa Barbara Scientific is selling the remainder of its current production run at a reduced price. The SM-4 will no longer be available, but the SM-4 EX with an ethernet extender is now offered at $2250, and includes a 100 foot ethernet cable. Alan Holmes, the software developer for this project, remains available to provide customer support. The Seeing Monitor product line may be discontinued after this run. If interested please contact Alan at: cloudlandinstruments@gmail.com