How is DEUS “more lightweight”?

[FORUM XP]

The full configuration of DEUS weighs 975 g. When the remote control is worn on your belt, the total weight comes down to 875 g (stem + 22.5 cm coil). This achievement has been made possible due to the utilisation of miniaturised electronics, in particular leading-edge components developed for scientific instrumentation, high capacity lithium batteries and… a few other manufacturing secrets...