Danalock V3 Euro Bluetooth version. The Salto Danalock V3 is a universally compatible motorised smart lock that allows you to control your front door and enable the smart home experience by connecting to the main home automation platforms via standard market protocols. Easy to install and retrofit in less than 5 minutes. Installation of the Salto Danalock Smart Lock is extremely simple. One of the main advantages is that your existing lock and door handle do not need to be replaced. Product dimensions: 59 mm x 59 mm (2 1/3" x 2 1/3"). Weight: 195 g (6.9 oz) - Batteries included. Batteries: 4 x CR123A Material: Anodised aluminium/ABS. Available colour: Silver.