The Retekess TM101 Wireless Quiz Answer Game System includes 4 Jeopardy buzzers that are lightweight and easy to handle, weighing 84g each. The display size is 266*150*20mm and is powered by an AC100-240V input, with the output being DC 9V/1A. The remote control is also included and is white in color, weighing 62g and requiring 2 x 12V/23A batteries. With a working distance of about 15m, this game system is great for interactive game nights and is suitable for players of all ages. Made of ABS material, the system is durable and reliable for endless fun.