"Md Proelectra: Remote Control Switching System for Lights & Fan with Speed Regulation" 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 switch 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 Operation - Wattage Capacity - Highly durable power supply. -fluctuation free (flickers different 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. Voltage - 210V-250V,,Standby Power Consumption - No, Working Temperature - 70 and 78 degrees Fahrenheit and humidity of 40 to 70%,Electric Incandescent Lamp - NA, Frequency- 50HZ, Battery Can Removable And Changeable-Yes , Remote operating Voltage : DC 3 Volts AAA Batteries . Remote operating Distance 42 Fits PACKAGE INCLUDES: Sensor Unit Inches Remote Warranty Card Installation manual, Bill . Best Technical Support after Selling!