Brand new and sealed , Google Nest Protect 2nd Generation Smoke & Carbon Monoxide Alarm is a white, hardwired detector with battery backup that offers Nest compatibility and Wi-Fi connectivity for smart home integration. With a power source of 230v, this alarm provides reliable protection against smoke and carbon monoxide in a sleek and modern design. Ideal for enhancing home security and peace of mind, this alarm from Google Nest is a convenient and efficient choice for any household.