Operating Temperature: -10 to 40 C Operating Humidity: 0%-85%RH Lamp Input: 12V --- 0.5A Rated Input: 220-240V~ 50/60Hz 0.2A Frequency bands: 2412-2462MHz Power Factor: 0.4 Color Temperature Range: 2700-6500K Luminous Flux: 300 lumens Life Expectancy: Approx. 25000h Compatible with Android & iOS Compatible Rated Input Power: 6W (42Pcsx0.16W/LED Module) Maximum output power: 6W Wireless Connections: Wi-Fi IEEE 802.11 b/g/n 2.4GHz Package Content: Mi LED desk lamp, LED driver, User manual 4 lighting modes for your choice Focus mode, read mode, PC mode and kid mode fulfill every need of yours Not too dark, not too bright, just as you like Brightness and color temperature stepless adjustment (an accuracy of 1K or 1pct) App remote control Download Mi Smart Home App and connect your device, then start your Mi smart life Minimalist design with long-term durability Clean and sleek appearance, precise spindle, efficient heat dissipation, never stop discovery