what is a switching power adapter

1x10w Push 1-10v Led Dimmer Switch ML10C- PV1For 700mA Output 6-14Vdc

UL Approved 120V / 277V / 347Vac input Automatic Dimming Motion Sensor

UL Approved 1-10V Microwave Sensor 3-6m Mounting Height For Corridor Function

High Pressure Solenoid Valve Plug To M12 5pins Female Straight Connector IP67 IP68

Mobile Led Advertisement Display Screen Backdrop Stage Led Video Wall Screen

Caiyi Folding Outdoor Commercial Advertising Display Screen

High Definition Rental Indoor Folding Led Display Outdoor Led Video Wall Screen

Caiyi Outdoor Folding Led Screen Exterior Display Stage Led Video Wall

Customized Sliding LED Screen

320*160mm Moving LED Screen 3840Hz 1920Hz SMD Moving LED Display

IP67 Waterproof Led Power Supply 12V 24V 250w Adapter Switching

86% Efficiency 8.3A 200w Waterproof Led Power Supply 12v 24V

5V EV Battery Charger

1A Adjustable 3-12V DVR Adaptor DC 12V 2A Output AC-DC Switching Power Adapter for CCTV

10/100Mbps POE Power Adapter 24V1A Switching Power Adapter EU Plug

European Wall Mounted Switching Power Adapter Supply 5V 1A 2A 3A Eu Plug Ac Dc

8 Port 10/100/1000 Mbps Smart Managed Ethernet Switch With External Power Adapter

12V 1.5A British Ac To DC 5.5*2.1 5.5*2.5mm power adapter with ROHS certificate

36W Wall Mounted 12V 3A Power Adapter with EU US AU UK Plugs 100-240V

IP30 20Gbps Industrial Ethernet Switch With 8 Gigabit RJ45 Ports 2G SFP Power Over Ethernet Switch