15.98 Inch LCD Digital Timer 12V DC 7 Programmable Time Switch TM618N-4. This timer can switch on/off electrical equipment at preset times. Offers 16 ON/OFF programs per day, with up to 15 combinations across a week. Fully programmable 24 hours a day, 7 days a week. Built-in battery backup saves programmed settings during power outages. Features automatic time error correction within +/- 30 seconds per week. Supports repeat programs with 16 on/off settings and allows manual on/off control. Easy-to-read LCD display with LED indicators. MULTIPURPOSE 7 PROGRAMMABLE TIMER SWITCH FUNCTIONS: 1. Clock Display 2. Timer 3. Countdown 4. Automatic Time Error Correction (Weekly) 5. Sleep Mode Usage: The TM618 timer module features a 1.598-inch large LCD display and can automatically control various electrical devices such as streetlights, lights (signs), household appliances, and broadcast equipment based on preset times. The digital timer switch includes a rechargeable battery (1.2V/40mA) and uses a high-accuracy CMOS chip with strong anti-interference performance. Designed for ease of use. Size: 7.0 cm x 7.0 cm x 4.0 cm Material: ABS + electronic components Color: White Package Contents: 1 x TM618N-4 Switch 1 x User Manual Note: Only the items listed above are included. Other products are not included. Lighting and display differences may cause slight color variations between the image and the actual item. Measurement allows an error of +/- 1-3 cm.