I ordered 2 on March 20, they arrived on April 2 So after 13 days, whew always doubt when it comes from China. Red controlled, good color received. Work well with a supplied CR2032 battery. 3 modes of light sets, continuous, medium and fast intermittently intermittently ... 2.22 euros, the price go for ... I recommend this product for those who use their bikes in the evening or night, made the desired effect. I bought a Monkey who wanted light to 40 euros ... Well just 2 lights in my rear rim fills me ... Very easy to set up by pressing the shelves, can be provide rilsans (plastic cable ties) to avoid losing them. The holes are already made for the pass. I'll try it, I would change my review if needed ... I come back after almost 3 months of use they have not changed, I still think now put rilsans to avoid them make me fly ... Here @ +