7 Day Heavy Duty Digital Programmable Timer LCD Power Time Control Switch Relay 12V/24V/110V/220V 4 input voltage for your choice Features: 100% brand new and high quality. Versatile: easily set up to 16 on/off programs for the timer's, and settings can be as short as one minute. Just set and go: choose your own individual days or simply select one of the convenient pre-set combination days. Switch to Daylight Savings mode with a press of a button. Our long-lasting backup battery keeps your settings even in the event of a power outage. Protect your home: activate the Random Vacation mode to randomize your programmed lights. Make your home look lived in even when you're away. Save energy and money : save costs on electricity and extend the life of your appliances. Use for lights, coffee machines, cell phone chargers, hydroponics, heat, A/C, and other electronics. Specification: Material: ABS Item color: white Size: 60x60x30mm Input voltage: 12V/24V/110V/220V Output: 16A Programs: 16 on/off each day/week Timer range: 1mins~168hrs Average error: 1s/24hrs Battery : built-in 1.2V/40mArechargeablebattery Black-out: 180 days (Note: Please allow 1-3mm error due to manual measurement, and slight color difference caused by light and screen.) Package included: 1pc x Programmable time switch