The brief introduction of the color changing led light bulb

   The color changing led light bulb is a new LED bulbs. Its shape and the same common incandescent bulbs, but is lit, it will automatically change color at a certain time. Circulation issued blue, yellow, green, purple, blue, red, white light. It is suitable for family birthday parties, holiday parties, New Year holidays, adding to the festive atmosphere of joy, can also be used for entertainment and for advertising lights. The color changing led light bulb is characterized, energy saving, long service life, easy to use, cheap price.
   Why does the LED bulb will automatically change color? The optical principle of change color: The color changing led light bulb is composed of red (R), green (G), blue (B) composed of three primary color LED. Two-color LED that we are very familiar with. General by the red LED and green LED composition. It can separate glow red or green.  If the red LED and green LED lit simultaneously. Red and green lights are mixed into a orange. The three primary colors LED were lit the two, it can emit yellow, purple, cyan light(such as red and blue LED lit simultaneously, emitted violet light); If the red, green, and blue LED lit simultaneously, it will to produce white light. If two of the three primary color LED is lit, the lit alone, or three LED lit simultaneously, can emit seven different colors of light.

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Installation Considerations of LED concealed ceiling light

     Installation Considerations of LED concealed ceiling light can be divided into the following points:
     The use of high voltage power supply LED concealed ceiling light, not to work in the frequent start states;
     LED ceiling light should be avoided to install the heat source and heat steam, corrosive gas places, so as not to affect the life;
     Confirm lamp operating voltage, make sure before power lamp operating voltage is correct, incorrect connection of voltage lamps may cause permanent damage;
     Before installing of the LED concealed ceiling light must first check the circuit, so as to avoid the phenomenon of leakage of electricity, resulting in personal safety. With respect to the circuit problem, the best professional electrician to install;
     Recessed led ceiling lights belongs to the electric appliance products, please have the experience and the relevant certificates of professional electricians install, in order to avoid unnecessary accidents. LED ceiling light were detected in fixed before installation, if LED ceiling light has a problem, can be replaced in time;
     Well in advance of the required mounting hole size, the power cord connected to the lamp terminal block, positive and negative attention. Confirm the installation is correct, the spring card to put up,  the lamp body is inserted into the installation hole, forced upward, LED concealed ceiling light can automatically embedded. The power supply is switched on, the lamp can work normally;
     Before installation, turn off the power, turn off the switch, while also prevent electric shock, please check the installation hole size meets the requirements while checking terminals and power input cable is securely connected, if loose, please lock before operating, otherwise may cause the lamp can not properly lit; check whether the lamps and the mounting surface smooth fit, if  there is a gap please make appropriate adjustments.

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