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*Power: 50-150W. *Input voltage: DC12V. *Output voltage: decided by customers. *Quiescent current: about 0.05A. *Output waveforms: high frequency square wave. *Output frequency: about 20KHZ. *Protection: none. *The PCB board is made of military level board and its size is 3*10cm. And it is mainly suitable for digital DIY and pre-amplifier of inverter. Warnings: *The board belongs to high frequency square AC output; it is not suitable for the inductive appliance, such as motor, fan and coil transformer. *While picked up with low-load machines (LED light, mobile phone charger and DVD set-top box), you are suggested to pick up with low voltage point, such as: 172V/200V. *You should install a large heat sink to release its long time high-load (≥100W) work. *You could not connect the power inversely. Besides, power supply and power wire should have large enough current. *Do not overload and short-circuit because it without any protections. *The number in measured by the output high frequency non-load voltage meter will be a little higher. Suitable output wiring voltages as followings: *V0--V2=110V V0--V3=175V. *V0--V4=200V V0--V5=220V. *V5--V4=20V V5--V3=45V. *V5--V2=110V V4--V3=28V. *V4--V2=90V V3--V2=62V. Feedback: We greatly appreciate your POSITIVE feedback. Please do NOT leave negative feedback without asking for help. Our aim is to provide Top Level Customer Service, so we will try our best to solve any problem.Thank you very much!