Remote launchers for pyrotechnic effects
Today is widely used condiment for your pyrotechnics show. That's why you have this system for firing 12 chanels on 3 different paces.
The remote control also manages 'Salvo' shots, ie. Explode all igniters.
Shots are powered by 4 x AA batteries, and the driver is powered by a 12V battery A23.
The range is very large, up to 400m outdoors.