Specifications:<br />Antenna length: 21mm<br />Channel number: 4 <br />LCD: 128 x 64 lattice <br />Power standard: 6V DC ( 4 x 1.5AA )( Not included )<br />Modulation: FHSS<br />Low voltage alert: Yes ( lower than 4.6V )<br />Data resolution: 2048<br />Frequency: 2.4GHz<br />RF range: 300 meters<br /><br />Main Features:<br />Operate current lower than 90mA<br />Distance: 260m<br /><br /><br />    Specifications<br />General<br />  Type: Transmitter                                                 <br />Dimension and Weight<br />  Package weight: 0.8 kg                                                  <br />                        Package size (L x W x H): 29 x 22 x 16 cm / 11.40 x 8.65 x 6.29 inches                                                 <br />Package Contents<br />  Package Contents : 1 x RC3S Transmitter                                                 <br /><br /><br /><br />                                            <br /><br /><br /><br /><br /><br /><br /><br /><br /><br />                       Product Safety Disclaimer: <br />We do not accept any responsibility or liability for misuse of this or any other product.  All our products are extensively tested to comply with rigorous and strict QC standards.  For certain products (e.g. toys， knives， etc.)， we recommend proper supervision as we cannot be held liable for misuse or accidents.<br /><br />  Disclaimer: <br />We do not accept any responsibility or liability for the incorrect purchase of our products.  All of the products on the website are extensively tested to comply with rigorous and strict QC standards.  For all of our clothing products， items and accessories， please take careful note of the precise measurements， mainly shown in centimeters (CM).  As part of our company policy， we will not be able to accept returns or provide refunds for items which are the wrong size.<br /><br />                                                <br />