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 shipping 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 cost-effective and can be used independently. If one receiver fails, the others will continue to operate. This system is expandable—simply purchase additional receivers separately. Receivers come pre-programmed for convenience and are reprogrammable. To pair a receiver, locate the small hole in the center, insert a paperclip or similar object, wait for the indicator to flash, then press the corresponding button on the transmitter. 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 device, do not touch the clips to avoid accidental triggering. 3. Remove the battery when the product is not in use to prevent damage to 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 triggered by another remote. However, always ensure you are at a safe distance 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