This is a programmable countdown timer, the longest can be set to 120 minutes, the timing is very accurate. The large time scale can quickly set the time and the reading is clear With quality plastic shell, internal high conductivity copper material, this timer switch has excellent performance, protection environment, safety, robustness and durability, and reliable use This smart countdown timer is universal, wall-mounted and very convenient to install. And the timing range can be controlled by the switch button, which is very easy to adjust Rated voltage: AC 220V 50Hz.Maximum current: 15A Timer switch can be widely used to control water pumps and household appliances, such as water dispensers, water heaters, air conditioners, electric fans, heaters , routers, mobile phone chargers, electric bicycles, etc Note: The data is all manually measured, please allow 1-3cm error due to differences in light and display , there may be color differences, please refer to the actual item received.