This 12-channel wireless remote control system provides a safe and programmable solution for firing pyrotechnics. The system operates on a 433MHz frequency with a range of up to 150 meters. It is fully programmable, allowing you to assign any receiver to any button on the remote transmitter. Programming is simple: insert a small stick into the designated hole on the receiver box until the indicator light flashes. The system is expandable by adding individual receivers to increase the number of available cues. The remote transmitter requires one 12V 23A battery (not included). Each receiver requires 4 AA batteries (not included) and includes an antenna. The package contains 1 remote controller, 2 receivers, and 1 set of connecting lines. Constructed from plastic, the system weighs approximately 265g (9.3oz). This is a brand new item.