Smart lock NUKI Smart Lock 3.0 Pro WiFi white (electronic controller) with an integrated WiFi module that provides the ability to control the controller, electronic reader and remote control remotely from anywhere in the world through the NUKI mobile application. Compatible with Smart Home: Apple HomeKit, Google Assistant, Amazon Alexa. It is managed via a mobile application that is available for iOS/Android. Connection via the Internet or Wi-Fi. NUKI controller power supply: NUKI Power Pack battery pack (included), 4.8 V DC | 2,500 mAh | 12 Wh; Dimensions: 110 x 60 x 60 mm; Weight: 580 g; Communication: Bluetooth 5, IEEE802.11 b/g/n (2.4GHz) Wireless network; Compatible OS: iOS, Android, Huawei AppGallery. Color: white.