Offering a programmable countdown time between one second and 24 hours, this versatile timer can handle any application, regardless of load type. No neutral connection is required.PRODUCT FEATURES:- Programmable countdown time interval from one second to 24 hours - Settings stored in non-volatile memory - Optional audible and/or visual warning of impending load switch OFF - Lockable settings help avoid unintended changes - Single-pole or 3-way switch compatible installation - Incandescent/fluorescent/CFL/LED compatible - Isolated switch allows timer to be used with any load type including AC and DC loads - Replaceable CR2 lithium battery provides up to three years of operation - No neutral wire connection enables easy retrofitting and quicker installation - 24-hour programming allows for continuous operation