It can be used to show a consumer application of colour mixing principles, and also as a convenient source of coloured light for experiments in reflection and absorption of colour.
This LED mains bulb uses red, green and blue LEDs in a frosted glass globe to create a diffuse light source of controllable colour.
Supplied with a remote control to choose the colour and select the mode (flash, strobe, fade and smooth).  
The remote control takes a battery (included).
Luminous flux: 70 lm
Voltage: 230 V
Power: 3 W

Physics School Lab Equipment Suppliers in India 

Ltekonline are the manufacturers of Multicoloured LED Bulb Light and Optical Lab used to demonstrate engineering principles in Engineering Colleges, Engineering Schools and Physics Lab Experiments for Engineering Teaching Lab in Universities