Features: High price-effective, reliability with industry standards. for Smart chip provide overcharge/ overload/ short-circuit/ over-heat for protection, auto-recovery for protection. switching power supply, stable 12V output, protect your electronic products from destruction. Input: AC 220v output voltage:12V for DC, Output Current: 30A,output voltage. Metal enclosed body is good for heat dissipation which can prolong the lifespan of the power supply. Widely used in Industrial automation, LED display, CCTV, radio, computer project, LED strip lights, 3D printer etc.. Specifications: Input Voltage: AC 220V Output Voltage: for DC 12V Output Current: 30A Net Weight: 900g/1.98lb Demension: 215x115x50mm/ 8.46x4.52x1.97in for Shell Material: Metal for case / Aluminum for case Working Temperature: 0~40C Storage Temperature: -20~60C Ambient Humidity: 0~95% Non-Condensation Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Package includes: 1 x Power Supply Transformer