Features High-Quality, Design nstructed from premium materials, this power supply ensures long-lasting performance and safety for all your electrical needs Voltage Stability Assurance aturing advanced technology, this regulated power supply maintains consistent voltage output, protecting your devices from fluctuations Features: 1、A reliable switching power supply with material, and safe in use. 2、A new style switching power supply that can maintain voltage stability. 3、Great switching power supply for household appliances. 4、Universal AC input / full range, cooling by outdoor convection. 5、Burning test at full load. Specification: Features: A reliable switching power supply with material, and safe in use. A new style switching power supply that can maintain voltage stability. Great switching power supply for household appliances. Universal AC input / full range, cooling by outdoor convection. Burning test at full load. Specification: Input: AC 110V / 220V ± 20% 47 / 63Hz Output: 12V, 30A Adjustable range of direct output voltage: ± 10% Output voltage tolerance: ± 1% Protections: overload / overvoltage / short circuit Material: Metal Weight: 695g / 24.5oz (approx.) Package list: 1 * Power supply Connection: L, N: AC power input GND: DC power output "-" V: DC power output "+" + V / ADJ: Adjust the output voltage Special note: This "NO" power supply unit comes with installation instructions, wiring cable, on / off switch, or screws. The professional installation of a qualified electrician is highly recommended. Package List