Bridge provides a bridge between the mobile phone and connected arregui smart home devices, to manage them remotely (arregui bridge controls devices via bluetooth, and the user accesses the bridge via wi-fi) manages up to 128 devices, adapter output 5v=1a temperature range -10/45°c humidity range (non-condensing) 10%-90% rh wireless technology 2.4g wi-fi / bluetooth 5.0 encryption level aes128 dimensions 62 x 15,3 x 61,8 mm