Game buzzers: you will receive 4 packs buzzer light buttons with light sound, the shell col is black red, side is blue with a big white "x" on top, increase lots of to the games easy to use (recommended age: 12 ages up)Funny game props: game buttons are Perfect f pranks, desk gadgets, home game at night, club revelry, gags me Also can be applied as party competition props f adults, girls, the participants can be actively encouraged to participate in the competition by using quiz buzzersMake quizzes me interesting: use button buzzers , can mobilize the enthusiasm of students, help involved positive thinking, that will make classes much me entertaining activityDurable ptable: buzzer sound buttons are made of durable resistant ABS material, even dropped many that still wk, lightweight easy to carry, measures . 97x112x116mm, dimension not too small too , suitable f any agesEasy to use: contest buzzers are powered by 2 AA batteries (batteries not included), after installing the batteries, simply press the red buzzers to light up, game buzzers have appropriate volume, loud enough without sounding too loudcolour: as shownMaterial: ABSPackage Contents:4 x Game BuzzersOnly the above package content, other products are not included.Note: Light different displays may cause the col of the item in the picture a little different from the real thing. The measurement allowed err is 1-3cm.