Tronic 4 Pack 28 On-Off Electric Digital Programmable Timer Switch

The programmable digital LCD microcomputer power supply timer switch is one of the latest innovative products to help you program your home or office electronic gadgets and lighting to On or Off. 
It'll automatically switches On-Off various kinds of electrical equipment according to the set time. 
It has an LCD display, and easy to program to achieve energy saving and efficiency. 
It's widely used to control the lighting bulbs, water heaters, sprayers, room heaters, agricultural equipment, broadcasting equipment, home appliances, etc. 
It has a long duration of time setting up to 7 days. Key 
Features: 

• auto turn on-off of the electrical appliances and lighting according to your settings
• built-in rechargeable battery for data backup when on power failure
• Timer setting range: 1 minute ~ 168h long enough to cater for your need
• On-Off Operation: 28 On & 28 Off (day/week)
• 7 days programmable

Specifications:

• Rated voltage: 220 ~ 240V AC 
• Frequency: 50 / 60Hz
• Power consumption: 3W
• Battery: CR2032
• Display: LCD 
• Load capacity: 25A
• Working temperature: -20°C ~ +55°C
• Accuracy: 1 second/day (25°C)
• Time setting range: 1 minute ~ 168 hrs
• Max programmes: 28 ON - 28 OFF
• Custom voltage: 6V, 12V, 24V, 48V, 110V