is 50CM, 15pcs 5050 , bright. Waterproof and flexible (IP65 Waterproof); by 3 x AA battery(not included). Control with 3 buttons on the beginning of the stripMODE/ SPEED(Brightness)/ COLOR, easy and smart to use. Flexible strips bend to your positions - use the self-adhesive backing tape for secure and easy application to any surface. Applications Flexible RGB creates beautiful lighting effects. bright 5050 SMD RGB LED, high intensity and . Ideal for cove, pelmet, shelf or lighting or in commercial applications, product displays, under counter lightings. 20 Color / Multi-colored: Red, Green, Blue, Yellow, Pink, Purple, White, etc. 3 Mode: MODE key: 20 dynamic modes such as flash,waterfall,,spark,bright&dull exchanging. COLOR key: 20 colors such as red,blue,green,purple,yellow,white. SPEED/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. This mini controller is easy to use, just press related key and the mode/speed/brightness you need. Type: 5050 Battery Operating voltage: DC 5V Board material: FPC LED bead: SMD5050 LED : 15 Light strip length: 50cm Luminous flux: 12lm Waterproof rate: IP65 Color: RGB Controller: Mini controller Package contents: 1 x Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.