The Homewizard SH8-90101 alarm gives you a notification directly on your phone if it detects smoke in your home. This way, you can feel safe even when you're not at home. In addition to alerting you over the phone, it also sounds inside the house at the same time. It requires 1 x CR123A battery (NOT included) Specifications: Brand: Homewizard, Type: Smoke alarm, Model: SH8-90101, Color: White, Gtin: 8711658423265, Requires…