Input: 100V-240V AC, 50-60Hz; Output: DC 12V, rated power 12W. The 12V 12W 1A LED adapter is suitable for low voltage LED lights, such as Christmas tree lights, string lights, spotlights, lawn lamps, light curtains, and holiday lighting. Please check the voltage, current, wattage, and connector size for your device before purchasing. IP44 rated for protection against splashing water; this low voltage adapter can be used indoors and outdoors. Continuous operation design. Reliability: - Temperature rise (burn-in): 85% to 95% load, 405C, 4 hours - Leakage current: 0.25mA max at 240Vac - Dielectric withstand voltage (between primary and secondary): 3000Vac, 60 seconds, 5mA max - MTBF: per MIL-HDBK-217F, full load, 25C, over 50,000 hours Protective functions: - Short-circuit protection: power supply resumes normal operation after short-circuit condition is removed - Over-current protection: automatic recovery after fault is cleared - Overvoltage protection: when output exceeds 150%-180% of rated voltage, power supply enters protection mode and resumes after fault is cleared Operating temperature: 0C to 40C under full load Storage temperature: -20C to 85C Humidity: 5% to 95% non-condensing