The robot X-51's most notable ability is his extendable hands and legs, telescoping outward to 100 feet. He can also hover or fly silently by means of anti-gravity generators, maintain internal temperature to radiate great amounts of heat or cold through his hands, and can channel electrical energy through his circuits and release it at a touch. He has a pair of modified .357 Magnum pistols installed in his index fingers, which has since been revealed as only part of an arsenal that includes a gas chromatograph, a laser interferometer, micro-pulse radar, an audiometer, a seismometer, a gravity wave detector, a pulse-code modulator, standard computer input/outputs, a radio beacon, an all-wave radio transceiver, and a laser cutting torch/ weapon. X-51 is highly dependent on solar receptors for energy, and if not exposed to light, he will shut down.