• Weekly programmable timer
• Also can be used as 24-hour timer
• 48 different timing settings per day
• 15 different weekly combinations (See chart below)
• Built-in Lithium battery prevent power outage up to one year
• Crystal oscillator for extreme accuracy
• Backlit LCD for easy viewing*
• UL, C-UL recognized and CE certified

        Note: "*" indicates applicable to APT-6SB+ only