This power supply/charger converts a low voltage AC input into 6VDC, 12VDC or 24VDC @ 4 amp continuous supply current. This unit has a wide range of applications for access control, security and CCTV system accessories that require additional power. The SMP5 is a power supply/charger that converts low voltage AC inputs to a 6, 12, or 24VDC output for access control, security, and CCTV system accessories.Its compact design and snap track compatibility make for easy installation. Short circuit protection and electronically regulated outputs ensure consistent performance. Battery leads are included. Also known as -SMP5 Proprietary Power Supply-Altronix Corp. SWTG PS 6-24VDC @ 4.0A - AX-SMP5