LED stack light QT70L-USB series

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The LED tower light that is fully controllable by the PC application program of a PC via a USB port connection The USB communication cable is comprise of VCC, D-, D +, GND, and Shield Uses 2 DC 5V/500mA rated Personal Computer (PC) USB for its power Available on hosts that support USB 1.1 or higher Provides MS Runtime libraries for developers to utilize on various PC applications Built-in 8-polyphonic clear melody, alarm sound, the type of sound can be chosen when ordered Supported OS: WINDOWS XP / WINDOWS 7 (32bit / 64bit) Supported Program: VC++, VB, Delphi(32bit), C#(64bit) Software controls the steady/flashing function USB control port and power supply port are provided with product The number of activated LED lights are limited to the capacity of USB port current Volume : Buzzer – Max. 90dB at 1m / Sounder – Max. 85db at 1m Compliant with RoHS directive Two layers are activated simultaneously