Features: 1.High Accuracy Industrial Grade Chip: This Programmable Electronic Time Control Adopts A High Accuracy Industrial Grade Chip, Which Can Achieve Accurate Timing Control. 2.Easy To Use: This Digital Timer Switch Is Simply Set And Go, Choose Your Own Individual Dates Or Simply Select A Convenient Preset Combination Of Dates And Switch To Daylight Saving Mode At The Push Of A Button, Even In The Event Of A Power Cut, Our Long Lasting Battery Backup Will Maintain Your Settings. 3.Built In Rechargeable Battery: This Programmable Time Control Switch Has A Built In Rechargeable Battery As A Back Up Power Source To Maintain Timing, Display And Data Storage In The Absence Of An External Power Source. 4.Wide Application: This Electronic Timer Switch Has A Wide Range Of Applications And Is Suitable For The Automatic Control Of Power Supply Equipment Such As Street Lights, Neon Lights, Advertising Sign Lights, Production Equipment, Radio And Television Equipment, And So On. 5.Excellent Flame Retardant Pc Material: This Digital Programmable Timer Is Made Of Excellent Flame Retardant Pc Material For The Shell, Which Is Sturdy And Durable, Not Easy To Be Damaged, And Has A Long Service Life. Specification Item Type: Digital Timer Switch Material: Flame Retardant Pc Working Voltage: Ac200-240V Output Current: 25A Battery: 1 X Cr2450 600Mah Button Battery (Shipped With Built In Battery)