🔒【Multiple Ways To Unlock】Advanced 4-in-1 Keyless Entry Smart Door Lock: Fingerprint + Password + App + Key (2 included). One Touch Fingerprint Access, reads your fingerprint and unlocks your door. The auto relock function is designed to keep your home safe.
🔒【USB + Backup key, Never Get Locked Out】Low battery alarm on Tuya（Free APP, with emergency power interface and backup key. When the power is critically low or the battery is completely drained, don’t worry, use the backup key to open the door, micro USB power bank also can serve as a temporary power supply. (4pcs AA alkaline batteries NOT included)
🔒【Applicable Range and Use】The adjustable latch has a size between 2-3/8″(60mm) or 2-3/4″(70mm), and is suitable for doors with a thickness of 1-3/8″(35mm) to 2″(50mm). Simple door settings, suitable for various scenarios, replaces standard single-cylinder U.S. door locks, fits both left and right doors, inner and outer. Easy to install in minutes by following short installation video.

【Improved 3-Stage Filter System】While the ultra-fine Nylon Pre-Filter and High-Efficiency Activated Carbon Filter capture large particles and absorb odours and fumes, the H13 HEPA Filter captures 99.97% of airborne contaminants 0.3 microns in size, so you are safe from PM2.5, pollen, dust, pet dander and other pollutants
【Effective Purification】With 360 ° Design and Vortexair Technology, Core 200S purifies your air 2 times per hour in-room up to 35 m² and delivers fresh air 360º around you, in every direction, no matter where you place it. Suitable for bedroom, living room, smoking room and kitchen
【Very Easy Touch Display】With the touch display you can select 4 speed levels (sleep mode and 1-3 fan levels), set a timer for 2-4-8 hours, switch the night light and display on / off, check filter status

Alexa can show you more: with an 8″ HD screen and stereo sound, Alexa can help you manage your day at a glance.
Connect with video calling and messaging: call friends and family who have the Alexa app or an Echo device with a screen. Make announcements to other devices in your home.
Be entertained: ask Alexa to show you TV programmes, films or the news. Listen to radio stations, podcasts and audiobooks.

Make any space a little smarter: this plug-in Echo device lets you get help from Alexa in more places in your home.
Alexa is always happy to help: manage your day and get instant information. Check weather and traffic on your way out.
Voice control your smart home: turn on lights, adjust thermostats, lock doors and more, with compatible connected devices.

Smart Voice Control: Support both Alexa and Google Assistant. Voice command to turn these Govee LED strip lights on and off, set colours or change brightness.
Convenient APP Control: Download the Govee Home App, easy to adjust brightness, change colours or power your LED lights on/off. DIY colours and keep them for later use. Contain Timer function.
Widely Used for Decoration: Designed for indoor uses. Decorate the bedroom, ceiling, stairs, kitchen cabinet, porch, desk, and living room. LED strip lights 5m can easily reach around your entire room.

Colour Changing LED RGB Floodlight with Remote Control : It’s easily operated by the controller, it has 12 RGB colours, 4 Mode ( Fresh, Romantic,DIY Strobe and Smooth), Timing function, which is suitable for your different atmosphere.
Timing Function: It adopts the newest timing chips, you can set your favorite colour to turn on/off automatically, there is no need to set every time, it is very convenient for you life.
Unique DIY Strobe Mode: You can choose your favorite colour from 12 rgb colours to make a your own unique mode to meet your demand.

Real-Time Notifications: Receive instant app notifications on your phone when an alarm is triggered or a device status changes
Silence at Your Fingertips: Tap to silence a false alarm in the app without having to climb or reach to push the button on the device
Easy Installation: Install this alarm in only minutes with the provided screws or adhesive tape, then add it to the app to get started