Features: NOTE: The batteries and other accessories are not included Condition: Thank you for purchasing our 12 channel remote firing system. We are sorry we could not include batteries but this is not allowed when shipping by air freight. However, we are sure you will appreciate the value of our product. Your purchase includes three receivers and one transmitter to give you a total of 12 channels. Power: Receiver: 4 AA batteries Transmitter: 12V 23A battery Range: 150 meters (492 feet) The receivers are very economical and can be used independently. If one fails, the others will continue to operate. This system is expandable. Simply purchase additional receivers from the website below. The receivers come pre-programmed for your convenience and are reprogrammable. Locate the 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. The receiver is now paired with the remote. Caution! 1. Handle your product with care; avoid shaking and dropping it. 2. Keep the receiver as far away from your fireworks as possible to avoid damage. 3. Remove batteries before storage. 4. Store your product in a clean, dry area 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, do not touch the clips to prevent accidental activation. 3. Remove the batteries 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 is controlled by a rolling code. With this remote, the receiver will not be controlled by another remote within 1 million codes, but rare interference may occur. When connecting, ensure your body is clear of the output area and take proper safety precautions. Note: 1. Please allow 1-3mm error due to manual measurement. Please confirm you are okay with this before purchasing. 2. Due to differences between monitors, the picture may not reflect the actual color of the item. Thank you! Thank you for your understanding! Package List: 3 x Receivers 1 x Transmitter 12 x Connecting Lines SKU: QGD4268