Product features: Overcurrent protection, Overload protection. The double-sided layout of components has a smaller volume. Small volume installation is more convenient, Equipped with temperature protection, overcurrent protection, short circuit protection, and high and low voltage insulation functions. Suitable for industrial instruments, smart home switch socket hosts, civil electronic products, toy products, chargers, and other products. Test items: AC input (VAC): AC90-265V DC input (): DC90-380V Frequency range (Hz): 47-63 Input current (A): 0.06/115VAC , 0.03/230VAC Inrush current (A): Cold start: 5A/230VAC Efficiency (TYP): 70%-75% No-load standby (mW): 5V≤45MW Rated power (W): 10W Linear adjustment rate: full load: ±1% Load regulation rate: 10-100% load: ±3% Switching frequency (KHz): 0.8-65 (frequency conversion control chip) Insulation voltage (VAC): input to output test: 60S ≤5mA=1000V Insulation resistance (MΩ): input to output test: 500VDC=100 Short-circuit protection: rated input voltage: long-term short-circuit, self-recovery Overcurrent protection: rated input voltage: full load constant current mode Start delay time (ms): Vin: 230VAC =500ms Power-down hold time (ms): Vin: 230VAC=25ms Colour: Black Material: PCB+Components Package Contents: 5 x AC to DC module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.