LED Switching Power Supply Electronic ballast (AD220V-DC12V)Product Features: 1. plastic shell; 2. Using high-tech integrated circuit chip components, the use of constant current circuit to provide a stable output current, long life; 3. Take protection to the circuit when abnormal working conditions on the lights 4. Applies to the input AC 180-250V/50-60HZ, load output DC.12V 5. With flexible access and Light box-line external Scope of application: Apply to the load DC.12V type, LED power supply, lamp beads. Size: L * W * H 111mm * 39mm * 23mm