Feature 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.includes:1 x Time Switch 1 x Manual About shlpping: All items will be shlpped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.