Genssi 5V 40A 200W Regulated Switching Power Supply LED CCTV Genssi 200W 5V, 40A is a Power Supply Unit for professional use on Security Surveillance System, CCTV Security Camera, IP Camera, Radio Project, Computing Project and etc AC input range selectable by switch Soft start current Protections: Short circuit / Overload / Over voltage Forced air cooling by built-in DC fan PWM control and regulated Built-in cooling Fan ON-OFF control 100% full load burn-in test Fixed switching frequency at 25KHz Does not include power cable, however, any power cable you have can be used; Example: computer power cable, old fax machine etc Size: 19.9 x 9.8 x 4.8 cm Ripple & Noise (max): 240mVp-p Pack of 1; Input Voltage Range: 85~132VAC/180-264VAC selected by switch; 47-63Hz?254-370VDC