ITEM NAME:AC 115V/230V to DC 12V 20A 240W voltage converter switch power supply for L B7E7 AC 115V/230V to DC 12V 20A 240W voltage converter switch power supply for L B7E7 Switch power supply, convert AC 115V / 230V to DC 12V. Dual-input voltage: AC 115V/230V. There is a switch, select the correct voltage before use. Continuous and precise output voltage. Lack protection, over load protection (105% ~ 200%), over voltage protection (115% ~ 135%). The widely as power supply used for the LED Strips, LED display, poster, industrial plants, etc. IN-DOOR ONLY USE! Specifications: Material: Metal case / Aluminum base Input voltage: AC 115V / 230V (47 ~ 63Hz) Input voltage: Cold 40A @ 120VAC Output voltage: 12V DC output voltage Range: 12 V ± 10% output current: 20 A output power: 240W working temperature: -10 ~ 50 degrees Celsius storage temperature: -20 ~ 85 degrees Celsius working Humidity: 20% ~ 90% RH non-condensing storage Humidity: 20% ~ 95% RH Item size: 20 * 11 * 5 cm / 7.9 * 4.3 * 2in item weight: 675g / 1.49 ï¿¡ The package includes: 1 * DC converter 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 +/- 1-3 cm.