Opened for inspection. The outer box may have stains or tears, but the contents are not affected, so please rest assured. Brand: Aqara Color: Black Compatible Devices: Smartphones, Tablets, PCs Product Dimensions (L x W x H): 10 x 10 x 2.8 cm Connectivity: Matter (Matter Bridge only), WiFi, Ethernet, Zigbee 3.0 Item Weight: 130 grams *Note* This product only supports 2.4GHz Wi-Fi. *Please check if your device supports IR (infrared) functionality. If you are using RF (radio frequency) functionality, the M2's infrared remote control function will not be available. [Infrared Appliance Management] Comfortably operate home appliances such as TVs, air conditioners, lighting, fans, and projectors, eliminating the worry of losing remote controls or running out of batteries. [Compatible Infrared Appliance List] 'Aqara Home' TVs, air conditioners, lighting, fans, projectors, speakers, air purifiers, set-top boxes, DVDs, cameras, water heaters. Customizable. 'Alexa' TVs, air conditioners. 'Google Home' TVs, air conditioners, fans, heaters, media streaming devices. Not compatible with 'Apple HomeKit'. *Please reduce the distance to the infrared remote control device to within 1 meter. [Voice Control] Fully compatible with voice control, remote control, or timer settings in ecosystems such as HomeKit, Alexa, Google Home, and Siri. For example, you can operate it with a simple voice command like "Alexa, turn on the air conditioner." *To pair this product with a smart speaker on an iOS smartphone, the smartphone and smart speaker must be connected to the same Wi-Fi network. When pairing, place the product as close to the speaker as possible.