Features:

Working temperature: - 20 - 50 degrees.
Working voltage: DC12V /24V   AC110/220V
Display: LCD.
Set times: 17 times switch day/week .
Set time: 1 to 168 hours.
Time error: 1 s / 24 h.
Power failure memory: 60 days or more built-in rechargeable battery 1.2 V .
Installation dimensions: 60 x 60 x 30mm.
According to the loading ways: screw, plug and socket connection add under the shell can be 72 x72mm panel .
The English version. 

Package including:
1 x Time Switch
1 x Manual