Overview DPS5 power supply/charger converts low voltage AC input into 6VDC, 12VDC or 24VDC @ 4 amps of continuous supply current (see specifications). This general purpose power supply has a wide range of applications for access control, security and CCTV system accessories that require additional power. Specifications: Switch selectable 6VDC-12VDC-24VDC. 4 amps continuous supply current at 6VDC-12VDC-24VDC*. Filtered and electronically regulated output. Built-in charger for sealed lead acid or gel type batteries. Maximum charge current 300mA. Automatic switch over to stand-by battery. Battery short circuit protection (circuit breaker). Thermal overload and short circuit protection. AC input and DC output LED indicators. Extremely compact design. Includes battery leads and Snap Trac (Altronix model #ST3). Board Dimensions: 3.5"L x 2.75"W x 1.75"H * Specified at 25 C ambient.