Mulher sorridente com cabelo morena ondulado, em camisa elegante branco, segurando cartão-chave eletrônico ao abrir a porta do quarto no hotel moderno com acesso à segurança, estilo de vida de viagem - Banco de fotos e imagens

Smiling blonde woman calling elevator of the residential building.

A woman is pressing the up button of a wall attached house thermostat with digital display showing the temperature. A concept image for electricity bill, heating, cooling, eco friendly, saving etc.

Mobile phone used for open safety door of her house

Woman attaches card to the electronic reader to access the apartment. Card entry, personal identification, keyless access, technologies in everyday life