Flash cup 1)colors: red, blue, jade, green, yellow, and multicolor 2)press button on bottom of glass activates flashing 3)press button once to active fast-flashing, second times for slow-flashing, third times for stable light, fourth press turns flashing off 4)battery replaceable 12pc/colorbox;72pcs/ctn G.W.:9kgs, n.W.:8kgs Meas: 49.5*47*31cm