This countdown timer switch lets you set a specific time to automatically turn off household appliances, improving safety and convenience at home. Compatible with a wide range of devices, it is ideal for use in homes, hospitals, schools, and more. It helps save energy and costs, reduces fire hazards, and extends appliance lifespan. When a battery is fully charged, the switch disconnects the circuit to prevent overcharging, making it suitable for home lighting, fans, air conditioners, humidifiers, Christmas trees, and other electronics. Choose from 6 different countdown modes (1-10 hours) to meet your needs. Simply plug it into a power outlet and select the desired setting. This device also measures power consumption, voltage, current, and timing. Specifications: - Material: ABS - Timing range: 1-10 hours - Installation: Plug-in - Voltage: 230V ~ 50Hz - Rated current: 16A - Size: approx. 10.5 x 5.2 x 3 cm (4.1 x 2 x 1.2 in) - Color: White - Quantity: 1 pack