Digital Electric Durable Programmable Smart Control Switch Timer with Backlight Display(110V) The timer is made of plastic, and it is safe and non-toxic. It is suitable for household appliance, advertising board, road lamp and so on. The timer is anti-interference, easy e.     Features: Made of plastic, safe and non-toxic, odorless and durable. Suitable for household appliance, advertising board, road lamp, neon light and so on. The timer is accurate with industrial grade chip, easy e; comes with the backlight screen, easy e. Reusable and durable: can be used repeatedly and durable for long time use. The timer is anti-interference and store the message automatically, convenient e.   Specifications: Condition: Material: Plastic Voltage: 220V, 110V(Optional) Size: approx.  7.1*4.3*7.1cm/ 2.79* 1.69*2.79in Weight: approx. 168g/ 5.92oz Setting Time: From 1min to 168 Hours Number of Times: 28 Times(Day/ Week) Power-off Memory: 60 Days Battery: Built-in Battery Without waterproof function Package List: 1* Timer 1* User Manual 2* Screws   Notes: 1. Please allow 0-2cm error due to the manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3. There is no rainproof function. If the customer installs outdoors, they need to avoid rain and prevent damage.