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The evaluation of product
Thank you for taking a few minutes to answer this question. Let's start right now! Note: each item is graded 5 for excellent, 4 for good, 3 for medium, 2 for improvement and 1 for failure.
Do you think the materials used in this work are reasonable or appropriated?
Do you think the size of the product is suitable for user?
Do you think this product whether is safety?
Please evaluate the appearance of this product.
The bulb can illuminate for 12 hours, do you think that is enough?
The LED is installed in the product, do you think this bulb is appropriated for user?
Do you think this product contains enough functions?
Please evaluate the ways of charging whether is better?
