First Alert ZCOMBO is a state-of-the-art wireless combination smoke and CO alarm designed to provide early warning of a fire or CO. It features a fully insect screened Photoelectric smoke sensing chamber and an electrochemical carbon monoxide sensor, an 85dB horn, a supervised 3V (2 AA batteries) power supply, utilizes one test button to setup, test and silence. This combination alarm will operate with 3rd party, certified Z-Wave devices enabled with the First Alert protocol and the basic command class required by all Z-Wave devices. First Alert ZCOMBO also includes the Smart Start feature which allows a faster and more intuitive connection of device to hub and on-boarding via use of QR code scan located on device. By the requirements of the Device Class spec, this command class does not have to be mapped to any particular functionality for this device. The alarm supports one association group with up to 1 node and sends its alarms to that group. The alarm supports configuration parameter #1, which has a size of 1, a default value of 0, and when set to 1 causes the device to send double alarm messages. Upon the detection of smoke or CO conditions, the alarm reports smoke and or CO detected to the controller. The device shall send the applicable message when the conditions are cleared. These notifications must be wrapped in the Supervision CC. The following notifications must be supported. The alarm sends a ~Heartbeat~ signal to hub periodically to confirm operability. It also features tamper resistant locking pins that lock alarm to the mounting bracket and battery drawer to prevent removal of battery or alarm. Designed for wall or ceiling mounting. Includes mounting anchors and screws.

Enjoy accurate and precise movements while computing or browsing with this Insignia wireless mouse. With an ambidextrous design, it provides comfort for right-handed and left-handed users. The wireless connectivity affords you freedom of movement while keeping a USB port free. This Insignia wireless mouse is compatible with most PC and Mac computers and operating systems.

What is Echo Amazon Echo is a hands-free speaker you control with your voice. Echo connects to the Alexa Voice Service to play music, ask questions, make calls, send and receive messages, provide information, news, sports scores, weather, and more-instantly. All you have to do is ask.Echo is also an expertly tuned speaker that can fill any room with immersive sound. It has seven microphones and beamforming technology so it can hear you from across the room-even while music is playing. When you want to use Echo, just say the wake word "Alexa" and Echo responds instantly.

The new MacBook Pro is razor-thin, featherlight, and now even faster and more powerful than before. It has the brightest, most colorful Mac notebook display. And it features up to 10 hours of battery life.* It~s a notebook built for the work you do every day. Ready to go anywhere a great idea takes you.