How much does this cost to the nearest dollar?

Letzgo Low Voltage Digital Dimmer
Use the Letzgo AC Low Voltage Digital Dimmer to dim your low voltage, landscape lights. This low voltage digital dimmer features intelligent, soft-start functionality, short-circuit protection for easy recovery, transient protection to protect connected devices, and an overload indicator, which causes the bulb to blink when it's overloaded. It's designed to dim halogen lamps, most incandescent bulbs, and dimmable LEDs up to 120 W at 12 VAC. It's also durable and ideal for both indoor or outdoor installations due to its IP67 rating (dustproof and water resistant). NOTES Must be supplied with 12 to 15 VAC secondary side power from a step-down transformer (sold separately) rated appropriately for the load. Total

Price is $157.00

Price: $156.8