15.98 Inch LCD Digital Timer 12V DC 7 Programmable Time Switch TM618N-4. This timer can turn on/off electrical equipment at preset times. Offers 16 ON/OFF programs per day and 15 combinations per week. Fully programmable 24 hours a day, 7 days a week. Built-in battery maintains memory and settings during power outages. Automatic time error correction within +/- 30 seconds per week. Supports repeat programs with 16 on/off settings; manual on/off control available. Features an easy-to-read LCD display with LED indicators. MULTIPURPOSE 7 PROGRAMMABLE TIMER SWITCH FUNCTIONS: 1. Clock Display 2. Timer 3. Countdown 4. Auto 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), appliances, and broadcast equipment according to preset schedules. The digital timer includes a rechargeable battery (1.2V/40mA) and a high-accuracy CMOS chip with strong anti-interference performance. User-friendly design. 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: Light and display differences may cause slight color variations between the image and the actual item. Measurement allows an error of +/- 1-3 cm.