Stable performance: no flickering after connecting, good anti-interference ability. The case is made of plastic to protect it from dust and moisture. Safety: no transformer noise, end cover insulated. The protective device is equipped with overload protection, surge protection, short circuit protection, overheating protection, etc. Small and flat: it is small and can be easily installed in any room without affecting the appearance. Inputs and outputs are clearly marked to facilitate electrical connection. Easy connection: simple connections via screw terminals allow easy replacement of existing transformers. Wide application: suitable for various 12V low voltage LED applications, including LED light strips, doorbells, cabinet lights, LED indicators, etc. Material: plastic colour: White Package Contents: 4 x Constant voltage switching power supply