yi mei da 24v 40a 1000w upgrade switch power supply driver display switching power supply 24v for led strip power driver cctv camera 3d printer diginex product description input voltage: ac 110v/220v, output voltage: dc 24v output current: 0~40a net weight: 1320gram demension: 245 x 125 x 65mm shell material: metal case / aluminum case safety compliance: ccc / rohs high price-effective, reliability with industry standards built-in over voltage, over current, and short circuit protection working temperature: 0~40c storage temperature: -20~60c ambient humidity: 0~95% non-condensation item features: 100% brand new switching power supply transformer unique cooling fans design universal ac input / full range auto-recovery after protection led indicator for power on design with built-in emi filter, improve signal precision this power supply unit "does not" come with installation instruction, wiring cable, on/off switch, or screws. installation of qualified electrician is highly recommended application: widely used in industrial automation, led strips,led display, cctv security cameras,communications, etc. package: 1 piece 24v 40a 1000w power supply