Feature: 1. Wireless WiFi control, ultra long distance remote control. 2. Stepless dimming, timing, delay switch. 3. Compatible with smart stereos such as Tmall, Amazon alexa, home and switch IFTTT. 4. Group control and single control, memory function, voice control. 5. Remote mobile app control, Alicloud intelligence, supporting multiple languages. Specification: Features: Wireless WiFi control, ultra long distance remote control. Stepless dimming, timing, delay switch. Compatible with smart stereos such as Tmall, Amazon alexa, home and switch IFTTT. Group control and single control, memory function, voice control. Remote mobile app control, Alicloud intelligence, supporting multiple languages. Specifications: Type: Smart LED Ceiling Lamp Material: Aluminum, Acrylic Product color: Gold/White/Silver(Optional) Light color: White light, Warm light Input voltage: AC110-220V Power: 48W WW+CW Wireless type: WiFi 2.4GHz Wireless standard: IEEE 802.11b/g/n Service life: ≥ 30000 hours Package Size: 39 * 39 * 8cm / 15.4 * 15.4 * 3.1in Package Weight: 900g / 31.7oz Package List: 1 * Smart LED Ceiling Lamp Package List: 1 * Smart LED Ceiling Lamp