The Kichler 15556WH is a compact 12V digital transformer timer engineered for low-voltage landscape lighting. It offers straightforward programming, automatic daylight savings adjustment, and an integrated battery backup so schedules and clock settings are retained during power interruptions. Digital timer with clear LCD and push-button programming for daily on/off schedules and manual override. Automatic daylight savings time adjustment for reliable seasonal switching without reprogramming. Integrated battery backup preserves clock and programmed settings during power loss. Compatible with Kichler Professional, Contractor and Plus series 12V transformers and most 12V landscape systems (check transformer compatibility before installation). Durable white plastic housing with a compact footprint — 2-3/4 in L x 2 in W x 4-1/2 in H — for convenient mounting on transformer enclosures. Simple plug-in installation; refer to the IS-15556-US installation sheet for wiring, mounting and programming steps. Ideal for professional landscape installers and homeowners who want dependable, automated dusk-to-dawn control of low-voltage lighting, the 15556WH reduces manual switching and ensures consistent performance across seasons. Includes downloadable installation sheet (IS-15556-US) and Kichler product documentation for setup and troubleshooting.