ITEM NAME:5V-24V 17 Key RF LED Strip Light Remote Controller For WS2811/2812B Strip Li BX Description: Typeï ¼Å¡17 key controller Colorï ¼Å¡white Sizeï ¼Å¡8.5cm x 4cm Weightï ¼Å¡33g Materialï ¼Å¡plastic Input voltageï ¼Å¡DC5-24V Working temperatureï ¼Å¡-20~60 Remote control distanceï ¼Å¡about 20m Package includesï ¼Å¡1set 17 key controller.Working temperatureï ¼Å¡-20~60. Materialï ¼Å¡plastic. Colorï ¼Å¡white. Weightï ¼Å¡33g.