General description The Firework Firing System 4CH Smart Wireless Remote Safety Igniter is designed for reliable and efficient operation in igniting fireworks. This system features a wireless remote control and is capable of operating multiple receivers independently, ensuring that if one fails, the others will continue to function. It is also expandable, allowing users to add more receivers as needed. Technical specifications Power: Receiver: 4 AA batteries Transmitter: 12V 23A battery Range: 150 meters (492 feet) Frequency: 433MHz Installation Receivers come pre-programmed for convenience but can be reprogrammed. To reprogram, locate a small hole in the center of the receiver and insert a paperclip or similar object. The receiver will flash, then press the corresponding key on the remote to pair. Usage Handle the product with care to avoid shaking and dropping. Keep the receiver away from potential damage. Remove batteries before storage. Store in a clean, dry area away from