MrThakur Whatabout English?

MrThakur whynot?

MrThakur Ask the company and not to the visitors/buyers.

MrThakur Disassemble first layer of back cover including top cover. On the top of the video door bell, there are micro USB and SD card slots.

MrThakur Four mechanical OF-OFF switches (relays) controlled by a digital electronic circuit:Well, simply its a WIFI Controlled (four channel) Smart Switches [(relays), (i.e. Four ON-OFF switches)] and applicable up to 250V, 10A electricity respectively (replacing four manual switches), whose Cutover voltage 250V and or Cutover current 10A respective to the switches.However, the above smart switch is controlled by a digital circuit whose working voltage USB 5V or DC 5V, said digital circuit (irrelevant to an user) that makes said four channel Switches ON or OFF respectively, as per setup of the program in the app.) Therefore, any digital input (in the circuit board) is not relevant to an user of the Smart Switch and Key1, Key2 etc. is matter of the digital circuitry (irrelevant to an user like you) that controls the Smart Switches (relevant to an user like you.)

MrThakur It is not Power Horizontal rather Output Horizontal, meaning there is zero lift of output water, When the input water level is same as out put water lift i.e. horizontal level between input and output water level with the motor.

MrThakur Netflix can be installed and work only if you have subscription with netflix. Plese confirm quality of Netflix with others.

MrThakur Yes it will work on a local wireless network (LAN or WLAN) through WiFi router without incurring internet charge. But one needs to use internet connected WiFi router or LAN at least for once for the first time to update device software, However, it is necessary to use a microSD card in the camera so that it can record the video it captures. Certainly up to 32GB - may be above GB that I cannot remember now, please confirm.

MrThakur It does work on 4G network or any internet connection through a router to connect the device with WiFi. You cannot use a SIM inside it but there is RJ45 port to connect it with LAN or probably with cable internet.

MrThakur Product description described it as a wireless (RF) remote (Transmitter). It means the switch acts as a RF remote control to turn on or off Sonoff switch connected with any application like bulb, fan, or whatever upto the applicable power limit.