perfect Package to Meet Your Needs: you will receive 4 pieces of strobe lights, equipped with 108 pieces of bright LED light bulbs, the quantity is enough to meet your daily using and replacement needs 2 Control Modes: our LED strobe lights feature 2 different control modes, including sound activated mode and manual mode, and it can change the lighting according to stage music, applause, cheers and more Fine Workmanship: these flashing lights for are made of quality plastic shell, with solid black, light but strong, smooth and textured, not easy to break or deform, allowing you to use them with confidence for a long time Proper Size to Use: the small strobe lights for Halloween come with an appropriate size, measuring about 5.51 x 5.51 x 1.77 inches/ 14 x 14 x 4.5 cm, light in weight and portable, easy to carry around, will not bring much burden to you, providing you a lot of convenience Wide Range of Usage: these sound activated LED lights are applicable for Halloween parties,