The Panasonic AW-PS300 Power Supply is an AC adapter for the AW-PH300 pan/tilt head. It features an 500 maximum watt AC outlet for halogen lamps that can be switched on and off from a Panasonic control panel (AW-RP301, AW-RP305, AW-RP501, or AWRP505). Additionally, the AW-PS300 has an option switch (120V, 1A maximum), to which its contact can be shorted or opened from a Panasonic control panel (AW-RP301, AW-RP305, AW-RP501, or AW-RP505).