Full Details from Amazon.com : http://www.amazon.com/gp/product/B00DW6NLKU?tag=onigi-20
LEDwholesalers 24 Volt Single Output UL Constant voltage Switching Power Supply 350 Watt 3260-24V
Short circuit Overload Over voltage Over temperature protection
Forced air cooling via built-in fan
Built-in cooling fan control
100 full load burn-in test
High efficiency long life and reliability
