Features: NOTE: Batteries and other accessories are not included Condition: Thank you for purchasing our 12 channel remote firing system. Please note that batteries are not included due to air freight restrictions. However, we are confident in the value and performance of our product. Your purchase includes three receivers and one transmitter, providing a total of 12 channels. Power: Receiver: 4 AA batteries Transmitter: 12V 23A battery Range: 150 meters (492 feet) The receivers are energy-efficient and can be used independently. If one receiver fails, the others will continue to operate. This system is expandable—simply purchase additional receivers separately. The receivers come pre-programmed for convenience and are reprogrammable. To pair a receiver, locate the small hole in the center of the unit and insert a paperclip or similar object. When the receiver flashes, press the corresponding button on the transmitter to complete pairing. Caution! 1. Handle the product with care; avoid shaking or dropping. 2. Keep the receiver as far away from fireworks as possible to prevent damage. 3. Remove batteries when not in use. 4. Store the product in a clean, dry place away from contaminants. Frequency: 433MHz This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Attention: 1. Do not shake the receiver box violently when not in use. 2. After connecting the product, avoid touching the clips to prevent accidental activation. 3. Remove batteries when the product is not in use to protect the receiver. 4. Do not place the product in damp, acidic, alkaline, or polluted environments. 5. The remote operates on a rolling code system, ensuring that each receiver is highly unlikely to be activated by another remote. However, always ensure you are at a safe distance from the firing area after connection and take proper safety precautions. Note: 1. Please allow 1-3mm error due to manual measurement. Ensure you are comfortable with this before purchasing. 2. Due to differences in monitor displays, the image may not reflect the actual color of the item. Thank you for your understanding. Package List: 3 x Receivers 1 x Transmitter 12 x Connecting Lines SKU: QGD4268