This set of 2 Popper Tyme laser training targets will provide hours of fun. Use either your own firearm with a LaserLyte training cartridge or their TriggerTyme Training Firearms. Every time they are shot they will vibrate, flash LEDs and make the sound of shooting steel. There is also a silent mode that will only flash the LED lights when shot.Features :Includes (2) Popper Tyme Laser Trainer TargetsEasy to set up targets that light up and make a PING sound and vibrate to confirm shotsHas silent mode that only flashes when activated,Each Popper Tyme measures: 2.75" dia. x 3" high,Includes AAA batteries