Wireless Fireworks, Expandable Fireworks Firing System for Hotel Home School Work

【Power Source】:6V - requires only 4 AA batteries per wireless fireworks receiver 【Interchangeable & Economical】 If one receiver has a little problem after used for a period, you could use others instead. Or you just need to buy the receiver, no need to buy the remote 【Fully Programmable 】make any or all receivers to any button on any system remote. If you want to programmer the receiver, please put in a small stick on the hole which is on the receiver box. And then the light on the receiver box will be flash-then pre 【150Meters Range】 Each wireless fireworks receiver with the antenna.We do not include batteries, your purchase includes 1 x Remote Controller 2 x Receiver 1 Set x Connecting Line, giving you a total of 12 channels. 【Expandable】 Add other receivers (available individually) to expand number of cues.We will provide the best service and quality, any product quality problems, please feel free to contact us to provide you with the best service