Home Security Surveillance Dome Camera1000 TVL ZOOM Vari-focal 2,8~12mm Infrared Camera for Indoor & Outdoor Color with Free Power Supply
- Aug 16, 2017 -
LED fluorescent lamp, commonly known as straight tube, is a traditional fluorescent lamp replacement, embodied in energy saving and environmental protection two aspects. The size of the installation is the same as the traditional fluorescent lamps, but the principle of light-emitting is led semiconductor chip light-emitting. According to the shell material divided into two categories, 1 are glass, 1 kinds are aluminum and PC. 90M/W~200LM/W in luminous efficiency. LED Fluorescent lamp installation is relatively simple, it is divided into internal and external power supply two kinds of power supply built-in LED fluorescent lamp installation, the original fluorescent lamp removed to replace the LED fluorescent lamp.
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