Aluminum alloy material possess good strength and corrosion resistance.This product come with stable structure, excellent performance and long service life. new switching power supply transformer, High efficiency, high reliability and low cost.low temperature operation, no spontaneous combustion, no explosion, no fire hazard, stable output.Automatic overload cut-off, over voltage cut-off, automatic thermal cut-off, short circuit protection.Model: CTN-300-24Input: AC190-240VOutput voltage: DC 24VOutput current: maximum 12.5AOutput power: maximum 300WWorking temperature: -20 Celsius to 60 CelsiusEnvironmental humidity: 10%-95%Colour: silverMaterial: aluminum + electronic componentsSize: 308x53x21mmPackage Contents:1 * Switching Power Supply (power cord is not included)Only the above package content, other products are not included.Note: Light shooting 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.