These dimmers have the ability to operate on either 12/24VAC (from transformer) or 12/24VDC (from battery).Your Low Voltage AC dimmer will automatically switch over to a DC back-up if your AC power is shut down or lost. Also available in 25A.

Perfect for fine light controlling!

Not recommended for use with any type of LEDs.

Specifications:

• 12V or 24V AC (Transformer)
• 12V or 24V DC (Battery)
• 15 amp max load