Features:
*Brand new and high quality
*Made of high quality materials,
*for Sonoff S31 is a compact 1 position U--S standard WiFi smart plug with energy monitoring function. The smart power plug allows you to wirelessly surf the Internet and control home appliances through apps anytime, anywhere.
*Using the S31 smart socket, you can grasp the power, current and voltage of household appliances in real time on the App. You can also measure electricity usage over a specified period of time. Additionally, you can set threshold power, current and voltage values for your device. Once any threshold is reached, the remote control WiFi outlet will automatically shut down your devices.
*Wirelessly turn on/off anytime, anywhere
*Provide real-time power/current/voltage of your appliances
*Provide 100 days of historical electricity consumption data and electricity bills
*Set limit power/current/voltage value to automatically shut down to prevent overload
*The device status is displayed on the phone synchronously
*Support up to 8 enabled timing/countdown tasks
*Share control with family members
*For Amazon , for Dot,for Amazon Tap
*For Home,  Nest
*Works with IFTTT

Specification：
*Maximum. Current: 15A
*Voltage input: 90~264V AC, 50/60HZ
*Maximum. Power: 4200W
*Wireless Standard: 2.4GHz, 802.11 b/g/n
*Receiving sensitivity: 802.11b: <-84dBm (11Mbps); 802.11g<-68dBm (54Mbps)
*Output power: 802.11b: 16±2dBm; 802.11g: 13±2dBm
*Security mechanism: WEP/WPA-PSK/WPA2-PSK
*Encryption: AES/TKIP
*Working temperature: -20℃～75℃
*Working humidity: 10%-80%
*Product size: 75.7x39.7x32mm
*Quantity: 1pcs

Package Included:
1X for  S31 plug


Notes:
1. Due to various factors such as display brightness and light brightness, the actual color of the product may be slightly different from the website picture.
2. Please allow a slight deviation between the data and the manual measurement.

We accept payment via Paypal only.

Payment must be completed within 5 days. If you have any problems about payment, please contact us via ebay message.

We only ship to confirmed Paypal addresses. Please comfirm that your paypal address is in line with your shipping address.

Please kindly note that the combined shipping is not provided because the shipping fee is calculated by weight. Also, the each additional item means exactly the the same color and size. 

It takes about 7-15 working days to UK; about 10-30 working days to other countries. Transit time may be a little delayed because of the bad weather and customs inspection. If you do not receive your item within 30 working days since payment finished, please contact us immediately for further assistance.

We strive for 100% customer satisfaction! Positive Feedback is very important to us. If you have any questions, please feel free to contact us via "Ask seller a question" . We will reply your email within 24 working hours.