Description: Portable and durable, easy to carry, lightweight Support WiFi network. Free to switch jog and self-lock Support status tracking, home appliances status timely feedback to your App. Support remotely turn on or off added devices. Easy installation, easy handling and can be activated immediately and stably. Specification: Jog: Press the button to turn on the relay module and 1 second later it turn off automatically. Self-locking: press the button to turn on the relay module, then press again to turn off. Max current: 10A Transmission : Wi-Fi communication Control : Mobile APP or Manual Working temperature: 0-60 degree Platform: Android, iOS Input Voltage: DC 5V Case Material: ABS WIFI protocol: IEEE 802.11b/g/n Remote control distance: Infinitely far Size: Approx. 88x 39x 23cm/ 34.65x 19.35x 9.06inch Color: White How to Use: Searching ''ewelink'' on phone and download it Install the APP Register and login in with your cell phone number Long press the button to quick flashing and then release it Add equipment Input the WiFi password Searching near matching equipment How to Select : Powerd up, Press S2 and hold the button, when the indicator D3 flash, release it to the jog ; when the indicator D3 flash 3 times, release it to the self-locking . Package Includes: 1 Piece Wifi Smart Switch Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.