Skylark 600VA preset magnetic low voltage single pole dimmer with on/off switch. Suggested maximum lighting load for magnetic low voltage dimming is 450W for 600VA products to allow for transformer loss. Features include: mechanical air-gap switch to disconnect power load, power failure memory, RFI suppression, precise color matching for all controls. Available gloss colors include: ivory, white, almond, light almond, grey, brown or black. Matching wall plates sold separately. UL and CSA listed.