Based on the provided information, it appears that there are multiple questions about a Craftsman Professional Digital Timing Light with model number 14066.

To address some of these concerns:

1. Accuracy and Durability: The product description emphasizes its accuracy and durability by stating 'built to last' and featuring quality construction. It also mentions rubber over molding at strategic points like the handle, nose, and boots that prevents damage and ensures long-lasting performance.

2. Additional Features:

- Xenon Flash Technology for brighter illumination

- Digital Display showing accurate readings

3. Missing Manual: If you have received a Craftsman Professional Digital Timing Light (model 14066) without an instruction manual or are looking for one online, it's recommended to check the following sources:

a. The original packaging or box that came with your purchase.

b. Manufacturer's website (Sears/Craftsman).

c. Online retailers where you purchased from.

4. Tax Waiver: According to the provided information, a valid tax ID is needed in order for any taxes on this product to be waived.

5. Repair Options:

- If you're experiencing issues with your Craftsman Professional Digital Timing Light (model 161219401 or similar), consider checking online forums and repair guides specific to your model.

- Alternatively, contact the manufacturer's customer service department for further assistance.

6. Warranty Information: As this information is not explicitly stated in the provided text, it would be best to consult either the product manual or manufacturer's website for warranty details on your particular item.

If you have any additional questions about a specific aspect of these products or need more detailed guidance, please feel free to ask!

Craftsman digital advance timing light