Power Supply AC/DC Adaptor - JY15-120-050-UD Light Switch

I am selling a Power Supply AC/DC Adapter for a Light Switch in good, working condition. Has an on and off dial in the middle of the cord. Model: JY15-120-050-UD Input: 100-240V 50/60Hz 0.4A Output: 12V 500mA Cable Length: 5-3/4" Comes from a pet and smoke-free environment. Pickup in Mount Pleasant (NW Calgary)