1. Adjustable: 120W, 3V-24V voltage regulation, high efficiency, fast charging, low power consumption. 2. Digital LED Display: The design features a knob with a digital LED display that can display the voltage in real-time, so you can easily adjust to achieve your speed control goal. 3. High efficiency: Good interference resistance, stable output power and long service life . 4. Multiple protections: overvoltage protection, overvoltage protection, short circuit protection, LED display, electromagnetic protection. 5. Wide range of applications: Suitable for LCD monitors, LED light strips, motors, light cats, mini TVs ,2.5 inch portable hard drives, portable DVDs,TV boxes, wireless audio-visual equipment, charging devices,MP3/MP4, small desk lamps, routers, switches, Game consoles, phones, colored lights, cameras, monitoring equipment, massagers, cosmetic instruments, motors, controllers and other household/ portable equipment, etc . Item Type: Power Supply Material: ABS , Fireproof PC Product model: 3-24V 5A (1508) Product Size: Approx . 17 x 7 x 3.6 cm / 6.7 x 2.8 x 1.4 inch Input voltage: 100V-240VAC 50/60Hz 1.5A Input line length: about 0.5m/0.55yard Modulation method: Pulse width modulation type ( PWM ) Output voltage: adjustable 3-24V Output Current: 5A Output Power : 120 W Output ripple noise: 100 MV Output line length: about 1.2 m/1.3 yards Power Interface: Approx . Default value is 5.5 x 2.5 mm / 0.2 x 0.1 inches (also use 5.5 x 2.1 mm / 0.2 x 0.8 inches) Operating Environment Temperature: -20-40 List of packages: 1 x Power Supply Recall, the product is mainly used for speed control, dimming, temperature control and other products, not suitable for charging products with built - in batteries (cannot be used for charging)1. Confirm the interface2. Adjust the required voltage3. Plug and play