shape - Waterproof measures were satisfactory. In the Valve with attached ... There was a description of the item saying, but the attached Valve did not blink from the beginning. After switching to Valve of Tan Rei, it flashed normally. The resistance value was totally different even at the same 10 W. I wanted this price to be a decent Valve. Even cheaper items, I had a proper Valve. Valve was not available at all. Valve purchase fee has become extra expense.