<p><strong>Note:</strong><br />1. Suitable for cars/boats.<br />2. Only compatible with Radiolink’s Receiver: <strong>R6FG//R6F/R7FG/R4FGM/R8EF/R8FM/R8F</strong></p> <p><strong>RC4GS Transmitter Specifications:</strong><br />Channels: 4<br />Spread Spectrum: FHSS<br />Antenna Length: 106mm<br />Frequency: 2.4GHz ISM band (2400MHz-2483.5MHz)<br />Transmitter operating voltage: 4.8-15.0V DC <br />Working Current: 80~120mA<br />Screen: 128*64 resolution , LCD back light<br />10-model memory  <br />Control Distance: 400 meters<br />Size: 116*175*224mm/4.6*6.9*8.8 inch(L*W*H)<br /><br /><strong>R6FG Receiver Specifications:</strong><br />Channels: 6<br />Spread Spectrum: FHSS<br />Modulation Mode: GFSK<br />Antenna Length: 200mm<br />Control Distance: 400 meters<br />Power Supply: 4.8v-10v DC<br />RF Power: <10dbm<br />Channel resolution: 4096<br />Working Current: 30mA<br />Size: 35*20*13mm<br /><br /><strong>Package Included:</strong><br />Radiolink RC4GS Transmitter x 1<br />Radiolink R6FG Receiver x 1<br />User Manual x 1</p>