$4.49 for Excelvan 1M/3.3FT Waterproof RGB Battery-powered LED Strip Light with Mini Controller
❶MODE Key: 20 dynamic modes, such as flash, waterfall, chasing, spark, bright, dull exchanging, etc.
❷COLOR Key: 20 colors, such as red, blue, green, purple, yellow, white, etc.
❸SPEED/BRIGHTNESS Key: 5 level speed adjustable for dynamic modes and 8 level brightness adjustable for static colors. Pressing for 3 second for power on/OFF.