Input voltage: 100-250V AC 50 / 60Hz Maximum load: 16A 3680W USB output: 5V 3.1a 15W Main material: PC Wi Fi standard: 2.4GHz 802.11b/g/n Support system: Android / IOS Product size: 226 * 85 * 35mm Line length: 1.5 square meters, 1.8 meters Certification: Ce Control mode: sub control, USB master control Charging quantity statistics function 1. AI intelligent voice control (compatible with tmall elf, Xiaoai, Amazon voice, Google Voice and ifttt) 2. App remote operation power off 3. Power off the socket regularly 4. Timing / countdown function 5. Bring your own child safety door to protect the safety of your family 6. Lightning protection and surge protection 7. Overload protection and fire prevention