Thanks! as per your feedback's and suggestions this model is Updated at Aug 2017. "Blackt Electrotech: Wireless Remote Control Switching System for Lights & Fan with Speed Regulation/Dimmer"It is Indian made automation device to controlling your switches by wireless Remote & Manual both. It can install your existing switch board inside or Outside. Do not need to change any wiring. Use > Rooms Particularly at Halls, Bed Rooms, and Kitchens etc. > Non-reachable range for small kids or Hidden swith boards. > Conference or Auditoriums halls. > Can be operated by physically handicapped persons. > Hospitals, clinics, Restaurants, shops > Automation, Security, Industrial other use. Advantages Prevents children from risk of electric shock and short circuit. System saves unnecessary wiring and switches cost of 2 way switching. Spark less and contact less switching increases switches life. Updated Features > Humming less Fan Speed. > Inbuilt memory remembers last state. >Relay based ckt > Wattage Capacity > Higly durable power supply.>fluctuation free (flickers diffrent lights) > Now it can install inside or outside switch board > 1 Sq mm copper wire & Outter case QUALITY CONTROL STANDARDS: Total Lights control points: 4 Points on/off. Fan Control Points: 1 Speed Regulations(4 Speed Steps) Max Watt/Pt: 1000 Watt.Remote operating Voltage : DC 3 Volts AAA Batteries . Remote operating Distance 42 FeetsPACKAGE INCLUDES: Sensor Unit Inches Remote Warranty Card Installation Boucher Bill . Best Technical Support after Selling! Thanks! For Healthy buying response.