The Relay G10T wireless transmitter is the perfect accessory to go with your wireless-ready Spider V amp-making it easier than ever to take your performance wireless*. The G10T will automatically charge and pair itself with your amp. You get up to 8 hours of playing per charge, with up to 200 hours of standby time. Simply plug the transmitter into your guitar and start playing. The Relay G10T is also compatible with the Relay G10 receiver, representing a complete guitar wireless system. Frequency Range: 2,4 GHz.