Check the listing for details. BPS-12/24-1 Dual Voltage Boxed Power Supply. Condition: New. Listed at 299.99 USD. Recommended for use with the most voltage sensitive electronic safety and security components including card readers, electric strikes, motion sensors and DC voltage cameras. Also recommended where an interface with a fire alarm system or battery backup is needed. The BPS-12/24-1 is UL Class 2 listed, allowing for wire runs without the use of conduit from power supply to door. Product FeaturesDual output, field selectable 12 or 24 VDC via clearly marked toggle switchSupplies 1 full AMP continuous current output, even while charging back-up batteriesSPDT AC monitoring output allows for remote monitoring of the power supply's 110VAC inputSeparate voltage inputs for load and battery allow the batteries to charge at a higher output while the load remains at exactly 12 or 24 VDCLED indication (AC and DC) showing power supply statusUL Listed low current fire alarm disconnect requires only a minimum size fire alarm relay and wire gaugePolyswitch 2A breaker allows for large short duration inrush current if batteries are installed (approximately 20A for 1 second)Line voltage and DC fusesSealed lead acid-gel battery charging capability (battery not included)UL Class 2, linear regulated power supply provides the cleanest power available sensitive, active safety and security devicesUL Listed - ElectricalPower Supply Type: LinearInput Voltage: 120Output Voltage: 1Max Output Amps: 1Class 2 Power Limited: YesFuse Type: PTC polyswitchFire Alarm Interface: YesEnvironmentalMaximum Operating Temperature (° F): 105Minimum Operating Temperature (° F): 32Outdoor Rated: NoWeights & DimensionsMax Shipping Weight (lbs): 9Max Height (in): 12Max Width (in): 9Max Depth (in): 4GeneralLED: YesLED Indicates: Voltage StatusBatteries Included: NoBattery Backup: YesBattery Type: Lead Acid or GelEnclosure: Yes